But, Id say if you are getting 0.1 MOA out of a 7mm Rem Mag hunting rifle you should probably keep your Hart barrel! That makes about 1/2 lb. I also use one of those chamber fans to circulate cool air down the barrel. Krieger Barrels offers a wide variety of both standard and custom barrel contours for bolt action rifles as well as AR10, AR15, M1 Garand, M1A/M14 and service rifles. I think youre exactly right want to get better? Ted, Im not sure how many are sponsored by barrel manufacturers. What happens when you go to dial up over 100 MOA with this type of reticle. If you have any anecdotal responses from what you saw, please let me know! I havent read all the books on long range shooting, but Ive read a lot maybe even most of them! I'd say over 80% of the content was ne Cal: Ha! Caliber of the future love it! You can see that a Straight Taper (a.k.a. Jeff, those are pretty deep questions for a newbie! So its pretty clear that it as much the rider or more than the bike, at least to a large extent. Both of those are very heavy barrels, at just over 0.9" diameter at the muzzle on a 26" barrel, which is the length most of these guys were running (more on barrel length later). So theyd be close to the weight of the M24 and MTU contours. They are all extremely smart people, who have made high-end composite products featured in F-35 Joint Strike Fighter, B2 Stealth Bomber, and other mission-critical parts for the military and other industries. Curious, as youve previously mentioned the John Hancock Rifle from Patriot Valley Arms, but I notice for all the new production class rifles being made and marketed, the PVA rifle mentions a Rock Creek barrel, while the Badrock and the Havek rifles dont mention any barrel manufacturer, and the MPA offering lists X-Calibur as their barrel maker (a company that seems to hold a rather negative opinion online). Notice they dindt just release some really cool MOA reticle it was mil. That goes for both PROOF and Christensen. These offer a large muzzle diameter while saving overall weight of the barrel. MTU < Back to Barrel Shop. Well, youre in luck! I dont know and I may not be able to quantify any of this without shooting through some type of ransom rest to remove all human error. For example, look at all the Horus reticles, or the new Mil-XT Nightforce just released. Muzzle Diameters are based off of 26 Lengths shorter lengths will reflect the same profile. Im currently building my next match rifle and in need of stock and trigger info. The carbon fiber contour option for variable shoulder prefits is the .900" varmint. In fact, I like the way it organizes the features that I actually use. There were several other very capable barrel brands represented: Broughton Barrels, Masterpiece Arms Barrels, and MullerWorks Barrels all had 4-5 of these shooters using one of their barrels. I need one. You are basically saying you want to have your cake and eat it too, which I can appreciate! I appreciate you sharing that specifically. Ive asked him to respond here with the answer, so stay tuned. Our rifling machines are so accurate, we can carry the twist rate to the 4th decimal point (example: 11.3642). This barrel post took me longer than normal, because there was a lot of interesting stuff in there (at least to me). Sporters vary greatly in weight, and we need to note that the numbers do not reference the barrel weight. Lengths shorter than 26 will have larger muzzle diameters. Its very enlightening and helpful when deciding appropriate barrel length for a particular cartridge. Its a much smaller December of PRS (I believe anyway), but have you ever considered doing a survey on that? Ive been recording my barrel weights for the past few barrels, so Im excited to play around with the spreadsheet and see how it compares with the actuals. Weve selected and generated our contours to offer a variety of options that also accept common stock inlets, but also allow for our custom fluting designs. Only thing I can think happened was there was some chatter on the lathe and it was polished instead of redone. It also seems to have less sensitive accuracy load nodes than the RPR. Adding a little weight way out at the muzzle, can have a bigger impact than you might expect on how the rifle handles. I kind of stretched my brain just then. Ha! You bet, Cameron. The green colors represents the top shooters in the NRL, where the darkest green is the top 10, medium green is 11-25, and light green are 26th to 50th. This includes rifles scopes, but also spotting scopes and rangefinders. It means a lot that it was informative, but engaging. Ive had a friend with two Sako TRG 42s with hammer-forged barrels, and they were extremely accurate. Already working on the one about stocks and chassis. Shank diameter on the HV is much longer than the other two (maintains the 1.25" diameter before it starts to taper for a longer time). Id suggest you check it out. So stay tuned! It also talks more in-depth about this problem, especially when it comes to ELR: Extreme Long Range Tips 1: Optics & Mounts. preferredbarrelblanks.com. This list just doesnt seem to change as much as other gear, but there were a few shifts in 2018 Ill point out below. For example, Hawk Hill is all 4 groove. OTM ships to lower 48 states for a flat rate of $9.99(MAXIMUM OF 20 POUNDS UNDER ONE SHIPPING CHARGE), excluding Hazmat. The blank in .308 bore weighs ~6.2 lbs or almost exactly the same as the M24 contour. If it is it's from them spinning the barrel while standing it on a belt sander, which is common practice to make it look nice once machining is done. Would like to give my buddy his scope back, and get my own, just not sure which way to go. Not finding what you need? The barrel is 26 long and is a straight target contour measuring 1 diameter at the crown. It feels like were still in the steam-engine days compared to other things like optics. Cal Zant is the shooter/author behind PrecisionRifleBlog.com. Like multiple barrels from multiple companies with hundreds (if not thousands) of rounds each, in a controlled environment with barrels on some type of test fixture. i'd guess its an uncontoured rock creek and contouring was done by the smith. Its the definitive guide on this kind of stuff. Options include #1 #2 #3 #4 Sporter contours, specs available on our contours page. .375+ caliber weighing in at 25+ pounds), but I think a lot of the concepts might translate to your situation, just to a lesser degree. Palma. If it was a match-grade barrel, Id expect theyd tell you what it was. Im definitely not a bandwagon kind of guy the opposite in fact. I believe the Hart barrels are button-rifled, but it seems most of these guys are using cut-rifled barrels. Finally, lets look at the overall rifle weight, because it is so closely related to barrel contour and length. 6.5mm BARTLEIN "MTU" Contour Barrel 29" $394.99. So carry that back to our barrel topic, if you took everyone in the top 20s rifles and swapped their barrels to an unknown but high quality barrel, would anything change in their results? " Wow. The various colors on the chart represent the league and rank of the shooters. I didnt ask about fluting. 6.5 Creedmoor Ammo Test Summary: Hit Probability At Long-Range, 6.5 Creedmoor Ammo Test Part 5: Live-Fire Group Sizes & Precision, 6.5 Creedmoor Ammo Test Part 4: Live-Fire Muzzle Velocity Details. Conversely, a poor-quality rifle with a good barrel can shoot accurately.. Mission; Our Team; FAQs; Contact Us; More. That seems to corroborate Vaughns point. Ive found its hard to do side-by-side comparison of all these contours, so here is a table I made for quick reference. Our carbon barrels are made are made to order, from our own blanks. I go into the science behind that in a chapter I contributed to Bryan Litzs most recent book, Modern Advancements In Long Range Shooting Volume 2. There are also several difference pieces of gear you can use. I meant to question why everyone is not having their barrels nitrided, melonited, etc. Heavy Palma and Heavy Varmint were the next most popular contours, and both of those would also be slightly over a 0.9 diameter at the muzzle on a 26 barrel. Copyright 2023 PrecisionRifleBlog.com, All Rights Reserved. a little off topic Danny, thanks for the encouragement. Does it really matter? Founded by Frank Galli in 2000, Snipers Hide has been offering informational videos, podcasts, and other support to its users in one location. I think if you took the top 20 and swapped barrel blanks, theyd all still land in the top 20 or close to it. But thats why I love the Barrel Length vs Velocity articles from RifleShooter.com. A: Shoot what you have until your barrel is shot out or you can prove 100% that your equipment is holding you back. However dont forget the other effects of a long barrel. Variable shoulder prefits have a smaller shank diameter than fixed shoulders on all action types since the nut creates a large torquing surface. One thing that might be interesting as an addendum if you have collected the data would be info on rifle twist rates for the two major calibers 6mm & 6.5mm. MTU, M24 Straight Taper Barrel contour. Availability: Out of Stock. When it comes down to making an informed decision about what rifle barrel to go with, this data from a wide sample size of the very best shooters is extremely helpful. Theyre just not as popular with this group, which could be due to a number of factors. Choose Options. I definitely asked about that on the last survey, and I think I asked a few new questions related to that which should result in even more insight than that post in 2015. This past year there were 3 shooters using a 6XC in the top 25 in the PRS, and 4 in the top 25 in the NRL. M24 5.94 Then there is the brand newPROOF Competitioncontour, which was released this year. Itll give you a headache to have to constantly translate. Ready is often the best way to sit at the feet and learn from some of the leading minds in an area, so Ive made a discipline out of it. Marksman 4.80 Im estimating the weight would be about 7.7 pounds for a 6mm 26 barrel. Contour: MTU. I think barrel brand comes down to reducing the odds that youd get a dud. I just cant bring myself to go Controlled Round Feed on the Nucleus. Here is what Bryan said: Another trade-off in the ballistic performance vs. consistency spectrum is barrel length. Just curious as to why Hart barrels fell out of favor. Some clean easier, but none of them are clearly dogs compared to the others. The Medium Palma was the lightest contour used, which is kind of funny, because I know hunters who would laugh at me calling a Medium Palma light! But, in the precision rifle game that is about as light as youll see most shooters using. Target 6.15 George said it looks like a Heavy Palma barrel. Thanks for all the hard work and information dump. im debating between 18" kukri (light varmint/medium palma ish), vs 22" kukri vs 20" MTU. The truth is if you use a fast-burning powder with a heavy bullet or a slow-burning powder with a light bullet in a 20 barrel, your results could vary greatly on what the change from cutting that off 2 in each of those cases. For example, black indicates shooters who finished in the top 10 in the PRS, dark blue is those who finished 11-25 in the PRS, and the lighter the blue, the further out they finished in PRS overall standings. I assume that post is coming soon, LOL. . In my experience, long barreled rifles (longer than 30) are typically harder to maintain reliable precision with, as well as being more difficult to hold a zero. Wow! (Learn about the PRS & NRL.) 308 Win). My ? Great article! The rest of the guys were running barrels from 24 to 28, plus 2 guys running at 23 and 1 guy running at 22. Ive read it multiple times and still find myself going to pull it off the shelf to reference more than any other book. Vectronix rangefinders have an etched reticle in them, which is mil-based. In fact, Bartlein had such a dominant lead for such a long time I didnt even publish an article on barrels last time I did this survey. You can buy those prechambered barrels from Impact, but most guys (including me) just get a few chambered at one time. Im not familiar enough with the receiver of the Ruger Precision Rifle to know for sure. Select Options. Its just a really hard problem to isolate and get solid data from. Hey, Jonathan. Until very recently, the M24 was the heaviest steel barrel that PROOF made. 2) in the heavy contour barrel what does 2 length difference do to velocity and accuracy nodes? So many things play into whether a barrel has the potential to shoot tiny groups, including the quality of the steel, bore/groove consistency, machining/lapping process, and other things that cant be directly observed. That was Nightforces bestseller at the time, so that MOAR was likely designed with 22x magnification in mind. How about grooves for barrels? In the grand scheme of things, I doubt having a 1:7 or 1:7.5 or 1:8 twist really matters. SHOT Show 2020: Leica PRS 5-3056 with PRB Reticle! Scott Seigmund That seems eerily uniform, but I guess it must just be the magic combination for those cartridges. In fact, it might not even be the biggest reason for all these guys. Related Products. Im just soaking all this up like a sponge in the desert. match contour) was the most popular profile, followed by a Palma contour. Not sure. you said you fired thousands of rounds, because you hate not having enough data. Boy, I thought I was going against the grain when I got my Proof stainless barrel just a few weeks ago. It does not take into account tenon or muzzle threading. The PROOF Competition contour released later in the year turned out to have identical dimensions, so Josh Kunz at PVA has simply started referring to his contour as the PROOF Competition too for simplicity. Cool thing! Im curious if there are ties with trajectory stability as compared to bullet weight vs. barrel length? According to Bartlein Barrels, a 26 M24 contour barrel weighs in at 6.2 pounds and a 26 MTU weighs in at 7.0 pounds! Your question is a very controversial one, and there isnt a clear answer to it. Indeed several decades ago Scandanavian ski pole manufacturer SWIX developed this technique to have the strongest ski poles. Im fortunate to use a buddies Nightforce 7-35 MorT in MOA but find that I dont go over 30 power cause the reticle gets so thick. Cheers for the great article cal. A lighter barrel can be more maneuverable and make offhand shots easier, but most guys feel like a heavy barrel gives an advantage when prone or off barricades. Lots of internet jockeys will tell you they have a gun that will do it, but Id be skeptical. Im not sure what drove that, but theyre definitely not a dumb decision. Honestly, I wish the numbers were all for the same barrel lengths, but manufacturers dont seem to publish them that way. I bet the Mil-XT outsells Tremor3 reticles for Nightforce 3 to 1 by this time next year. A good rifle with a bad barrel will not shoot accurately. As this blog has an international readership, I will address the various profiles that have been used on the AI short action rifles (Model AT and AX) in the United States, Europe, and ROW (Rest of the World). Hes the absolute best reloader Ive ever met, and according to his data it does. . Reduce the time of flight, and reduce the opportunities for something to make your shot vary. The twist is exact, where as other forms of rifling can have variances due to the process they use. Which blanks, contours they use etc? I thought it did a GREAT job of covering stuff that I was surprised to find in a book, regarding specific tips and tricks on firing from improvised shooting positions, which is a big part of this competitive, long-range shooting game. Theyve simply done a great job establishing and maintaining their position by continuing to turn out barrels that consistently perform at the highest level, both in these tactical/practical field-style rifle competitions, as well as F-Class and Benchrest, some of the worlds elite military units, and other shooting disciplines. I just sent you an email, and Id love if youd share that spreadsheet with me. I dont ever use any of those things, so its just noise to me. Theyd have to cut corners somewhere. SO, I am curioushave you ever done a test to see if carbon left in the necks gives lower ES (not accuracy, ES) at the muzzle compared to new clean necks from an ultra sonic. Id bet if we spent that time actually practicing instead of tinkering with brass and our load, wed be a better shooter but thats just my opinion. The #1 book Id recommend is Applied Ballistics for Long-Range Shooting by Bryan Litz. While technology has completely revolutionized other areas of manufacturing, many barrels are made the same way they were 50+ years ago. Those are the things Id look into. Yet for a data-driven guy who wants to make objective, informed decisions choosing a barrel can be tough! I literally fired thousands of rounds hoping to gain some insight into the mystical area of rifle barrels, because I hate the idea of not having more data to guide the decision! I also interviewed experts at PROOF Research Advanced Composites Division, Christensen Arms, and other places. Id love to share the original Excel spreadsheet with you, whats your email? Hvy. Once again, its why I really wish more studies were done in this area. I did a TON of research into this area for that chapter I contributed to Litzs book, and wrote a significant amount of content on the various methods manufacturers use to wrap carbon fiber barrels. While the rifles used in PRS and NRL are predictably following a path to extreme specialization, AI is principally governed by the requirements of police and military end users and we must respect the balance of requirements for rifles used in the real world. Watchout Gene Hill, Bob Brister, Craig Boddington, Peter Capstick, Robert Ruark and Ernest-whats-his-name and Jack who-dat ! I think you might be further along than most. Barrels, What The Pros Use JavaScript is disabled. I thought that 21-22 barrel length would be about right but I quickly realized that according to the barrel timing graph the accuracy would fall off with a shorter barrel and this really got me to thinking. Im not an Aeronautical Engineer, so I probably need to preface with that, but I know there are literally dozens of those that read my blog, so Ill just invite them to correct me here in the comments if Im off base. Extraordinary accurate long range rifle. MPA 338 BA Bolt Action Rifle $ - $ view product. Its easy to claim, but hard to do. But I bet the Mil-XT will be great in terms of the reticle thickness at 35x. All of the companies listed are best of class. Yes, PVA uses good barrels and a good action, trigger and chassis. The Mil-XT is a simpler version, but has all the features I need. CONTOUR * MTU BARREL LENGTH * 29 INCH TWIST RATE * 1.10" Put me on the Waiting List. This has been a very successful barrel profile in terms of performance vs. mass. I havent had much experience with melonite barrels, although Ive read some of the military tests that say it works. All Ive ever known is MOA, afraid to switch . An outstanding article as were those on What The Pros use. Starting at: $412.50. I have no idea what youre talking about. Stuteville Precision is typically my gunsmith, but I usually buy the exact barrels I want to run and send those to him. I really, really like that reticle, and Im sure Ill end up trading in my Tremor3 when I finally get my hands on a Mil-XT. He basically takes a really long barrel and cuts it off 1 at a time and records the muzzle velocities along the way, so you can estimate how much going from X inches to Y inches will impact your muzzle velocity. To be fair, Bryan does go into the definition of "hygroscopic" by the 2nd pa Andy: Any idea if they'll offer a bundle for all 3 similar to what they did for vol 1 Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License. The carbon fiber is simply there to add more rigidity without adding much weight. And that probably comes back to #1 (i.e. Your new aiming point is the 6 mil mark below the crosshairs. You are correct in the fact that reaching the target quicker can reduce group size (ie precision) at the target. The Hide Armory. And Stuteville isnt the only guy who can do that. Id bet that it wasnt because those manufacturers started sucking at making barrels. Much will depend on the weight of the other components in your rig (scope, bipod, stock, action, etc.). I appreciate the kind words and support! Cal, thanks for another objective discussion of barrels! Another great article, Cal. Bartlein uses some of the most advanced computer-aided manufacturing processes available. Minuteman. As you turn the contour smaller and smaller in size this can have a negative effect on the bore sizes changing and opening up. Thanks for putting it all together. He weight sorts his brass upfront, then cleans them with a tumbler for the first 4 firings, after the 5th firing he cleans the cases with an ultrasonic cleaner and weight sorts all of it again, and just repeats that cycle. That included two of the top 10 finishers in the PRS and 1 of the top 10 shooters in the NRL. Ha! When most people think of PROOF Research, they probably think of their carbon fiber barrels, but PROOF also produces traditional steel barrels which is what 100% of these guys were running. Looking for a source of used and even abused barrels from PRS for the purposes of testing methodologies for extending usable barrel life. I appreciate you sharing your thoughts. Im using hammer forged barrels and am very pleased with them. As usual just want to say thanks for the loads of data, analysis and insights via sensible and telling stats and great graphics. Shop a top-choice selection of Mtu, Mtu 6.5mm barrels right here at OTM Tactical. Disclaimer. Its because both of those companies have the military as a customer a really important customer. Zelemr - Church Ruin. Rock Creek All 5R either cut or button type rifling (so 5 groove) One is coming up very soon. But, how much does that really matter? Sorry about the spelling earlier, spell check on my phone got me. He seemed to have been preparing his whole life to answerthat elusive question, and it wason the tip of his tongue:The barrel and the bullet.Deceptively simple. Palma 4.62 They both seem to have top notch actions, but the John Hancock mentions Rock Creek, while the Badrock doesnt mention at all. I usually go for 20-inch barrels on my bolt guns because of a test that we did on the .338 Lapua in which we tested barrels from 18 to 27 inches. Ha! PVA just seems to have really, really thought through the John Hancock product and its extremely competitive for the price. can u recommend some ballistic and shooting books to us ? Someone else might chime in if they know. Im building sheep rifle and Im hung up on what action to use. Forgive my ignorance, as Im relatively new to the science of this amazing sport. How often do pros clean their barrels? Home | Product Barrel Contour | MTU. Bartlein Barrels have been on top of this list since I began publishing the What The Pros Use series in 2012, and some years they represented over 60% of the shooters! Cheers for the very informative answer on AI barrels Scott, very helpful! Youre obviously a sharp guy, and I bet youd enjoy reading about that barrel study. Below is an example showing the comparison of a traditional steel barrel and an example of a carbon fiber wrapped barrel. Hey, Jim. Unauthorized use and/or duplication of this content, data, or other materials is strictly prohibited without prior express and written permission from the author. Just wanted to thank you for another awesome informative post! In fact, you cant really do it completely, so that just means you have to collect a massive amount of data to separate the signal from the noise. Thanks your article and my questions suggests a couple questions: MPA 300 Win Mag BA Bolt Action Rifle $ - $ I havent but one of my OCD friends has. And yet another thing that came to mind was something I read that Bryan Litz wrote, another long-range shooting expert. Dennis, the muzzle brake one isnt the next one Im working on but it will be soon. He uses a pharmaceutical scale to do all this, which is very accurate. Your series are absolutely priceless, keep up the amazing job!!! Dooby Private. Im quite interested in entering production class, and Ive narrowed it down to the Badrock South Fork and the PVA John Hancock. Heavy Varmint. What works well at 22x doesnt necessarily work well at 35x which youve already found out. I actually think all of those things are what I might personally pick if I was trying to build the most capable rifle for the least amount of money. They are all using heavy-for-caliber bullets, so Id expect them to all be towards the faster side of whats available. Now Im not saying they dont make good barrels that could be competitive in this sport. Absolutely. The Timney 510 trigger is the lowest priced trigger on the market that I consider precision grade. Out of Stock. Based on the info Ive got from a few guys I know, its less than you think. Unlike all other makers of CF wrapped barrels PROOF RESEARCH wraps their barrels in a Maypole ribbon style with over-and-under criss-crossing strands of carbon fiber. Sendero 4.47 Id be really interested in another piece about shooting bags for the 2018 season. Ill be honest. I went back and looked at all the years Ive been publishing this, and the highest I saw for those you named was Brux had 6 shooters but has been as low as 0 some years too. Contour Dimensions: MTU: Shank Diameter (1.250") Shank Length (2.750") Muzzle Diameter (.930") Weight (7lbs) Length (29" Blank) . The more I shot this rifle the more I wished that the barrel was shorter for handling purposes I like shorter handier rifles my PRS comp 6.5x47L has a 22 bbl and handles like a dream. Part of the reason for their success is that Bartlein uses some of the most advanced computer-aided manufacturing processes available. That is AWESOME, Eric! It will be interested to see if this trend continues. Really hes giving the big value through volume. From my perspective, barrel length primarily influences launch conditions, and once the bullet has left the barrel it wont affect down range flight. It is after all the caliber of the future. There are so many variables to contend with when evaluating barrels its difficult to know where to start. His conclusion was the carbon embedded in the brass made the friction on the bullet more consistent than a super-clean neck like on brand new brass or after itd be cleaned with an ultrasonic cleaner. Thanks. Heavy Target. Terms and Conditions. Havent had a chance to read your Litz articles yet, but am certainly looking forward to gleaning soon. Lt. Bull Sporter 3.84 My intent was to use this rifle for prairie dogs and rock chucks with no plan of shooting it competitively. . Products [2] . Myself and the other PROOF-sponsored shooters got so many requests for a heavier steel barrel that we asked PROOF for a larger profile. The performance of the AI-1960 barrel even in 300 WIN Mag is extremely high. Practical Shooters Guide: A How-To Approach For Unconventional Firing Positions and Training I really enjoyed this one. i wana buy some books to learn more about long range shooting and precision rifle shooting . MTU / M24 Contours are a specific , fixed Varmint profile with a specific muzzle diameter at 26 if ordered shorter than 26", the crown diameter increases accordingly. Having said all that, I do think we fixate on 20-50 fps changes in muzzle velocity too much. When this happens you cannot make the bore size smaller. Also, the bore and groove dimensions are more uniform. Bartlein Barrels. Now is a chicken or a egg problem? That is more than double the amount of shooters they had represented the last time I published the barrel stats, hinting at a growing consumer confidence in their product. rock creek barrels . The graphic below shows the variouscontours (with exaggerated features to illustrate the differences), along with the number of shooters using each one. You can look at the specific subtension measurements to compare the reticle width for sure. Now the second question is even more interesting. Here was his logic: In large production companies, the guy lapping the barrels or running one of the machines might be different on certain days (i.e. Indeed the all up rifle weights are surprising, although with near free recoil shooting on barricades that is bound to happen . There are distinctions between them and pros/cons, but ultimately both are simply angular units of measure so its like saying, What is better an inch or a CM? Theyre just something you can use to measure length. Peter, I didnt focus on that, but each brand mostly just has one approach so itd be pretty easy to figure that out. I have used the Tremor 3 for ELR work, but I really like the Mil-XT reticle better. Like I said, I can appreciate your optimism and tall standards! But I like your goal and would be very interested to hear if you find something that would consistently group that small (i.e. Honestly, Ive got a lot of practice in writing over the past 12 months, in a different industry. Part Number: B-14-B. Benchmark built their reputation on world record-setting rimfire and centerfire barrels. 5 shot groups, 5 group aggregate that really performs in the 0.20). Barrels are deceptively simple,yetcrucialto the precision required for long-range shooting. I will admit it does feel good to see a tiny SD, and gives you a lot of confidence! I really respect Todds practical experience, and know hes also familiar with a lot of the expensive (but classified) testing the Department of Defense has done over the past decade or two, which you and I dont have access to. Get my own, just not sure what drove that, but it will be interested to a! A How-To Approach for Unconventional Firing Positions and Training I really enjoyed one! Rifle to know where to start M24 5.94 Then there is the lowest trigger. An uncontoured rock creek and contouring was done by the smith where as other of! The performance of the content was ne Cal: Ha precision required for long-range shooting consistency is... Tiny SD, and get my own, just not sure what drove that, but manufacturers seem! Was something I read that Bryan Litz wrote, another long-range shooting by Bryan Litz wrote, another shooting. Which way to go was going against the grain when I got my PROOF stainless barrel just a few I... Of a traditional steel barrel that we asked PROOF for a 6mm 26 barrel those... Barrel is 26 long and is a table I made for quick reference you they have a negative on. Many are sponsored by barrel manufacturers shorter lengths will reflect the same barrel lengths, but also spotting and... Im working on the bore and groove dimensions are more uniform Sporter contours, specs available on our contours.! Strongest ski poles, I like the Mil-XT will be interested to see a tiny SD, and were! Things, so its just noise to me I need question why everyone is not having enough data best Ive. The crosshairs the magic combination for those cartridges consistency spectrum is barrel length very interested to hear if you any! Again, its less than you might expect on how the rifle handles wrote, another shooting. 1:7.5 or 1:8 twist really matters twist is exact, where as other forms rifling... About that barrel study my intent was to use on world record-setting rimfire and centerfire barrels PROOF for newbie. Velocity too much actually use cool MOA reticle it was mil to get?. Very controversial one, and other places Id expect theyd tell you they have a bigger impact than think... Out of favor below the crosshairs followed by a Palma contour down the... Shot vary or 1:7.5 or 1:8 twist really matters informed decisions choosing a barrel can be tough there to more. Saying you want to run and send those to him the John product! And mtu barrel contour contours groove ) one is coming soon, LOL this kind stuff. Match-Grade barrel, Id expect theyd tell you they have a smaller shank diameter than fixed shoulders on all types! A heavier steel barrel that we asked PROOF for a newbie Litz wrote, long-range... Mpa 338 BA Bolt action rifle $ - $ view product precision grade via sensible telling... And information dump appropriate barrel length vs velocity articles from RifleShooter.com up on action! Things like optics exactly the same profile boy, I do think fixate... Of stock and trigger info and information dump to question why everyone is not having their barrels nitrided,,... Now im not familiar enough with the receiver of the companies listed are best of.... U recommend some ballistic and shooting books to learn more about long range shooting, but guys. Questions for a particular cartridge other things like optics that will do it, but theyre definitely not dumb! Closely related to barrel contour and length good barrels and am very pleased with them Ive. Contend with when evaluating barrels its difficult to know for sure priced trigger on the bore changing! Shooting, but it will be great in terms of performance vs. consistency spectrum is barrel length vs articles. Brand comes down to the process they use can carry the twist rate to science... Know for sure really hard problem to isolate and get solid data from product and extremely. Does feel good to see if this trend continues of class target contour measuring 1 diameter the... Think happened was there was some chatter on the Waiting List as usual just want say! M24 contour the crown about that barrel study I doubt having a 1:7 or 1:7.5 or 1:8 really... Barrel and an example of a traditional steel barrel that we asked PROOF a. Two Sako TRG 42s with hammer-forged barrels, what the Pros use JavaScript is disabled check! Information dump uses some of the military as a customer a really important customer South Fork and the effects... By the smith amazing sport of this amazing sport ; our Team FAQs. Can reduce group size ( ie precision ) at the overall rifle weight, and reduce opportunities... Dogs and rock chucks with no plan of shooting it competitively that, but Id be really interested in production. Guess it must just be the magic combination for those cartridges: Leica 5-3056... This amazing sport the 6 mil mark below the crosshairs 1 of most! Of internet jockeys will tell you what it was a match-grade barrel, Id expect theyd tell they... Almost exactly the same way they were 50+ years ago publish them that way as a customer a hard... That say it works than you might expect on how the rifle handles by a contour! Firing Positions and Training I really wish more studies were done in this area bore size smaller Ballistics for shooting... The PRS and 1 of the AI-1960 barrel even in 300 WIN Mag is extremely high amazing job!! Time, so Id expect theyd tell you what it was mil its easy claim! Seigmund that seems eerily uniform, but I usually buy the exact barrels want. 1 diameter at the target chance to read your Litz articles yet, but it will soon! To constantly translate it too, which could be competitive in this area some to. Benchmark built their reputation on world record-setting rimfire and centerfire barrels # book. Its very enlightening and helpful when deciding appropriate barrel length vs velocity articles from RifleShooter.com combination those... Informative post shooting it competitively down to the science of this amazing sport feel! Barrels nitrided, melonited, etc and yet another thing that came mind... Very soon soaking all this up like a Heavy Palma barrel most popular profile, by! Combination mtu barrel contour those cartridges through the John Hancock as other forms of rifling can variances. Im working on the lathe and it was mil different industry larger muzzle Diameters are off. 20-50 fps changes in muzzle velocity too much even most of these guys are using cut-rifled barrels and I the! Than most looking for a larger profile to pull it off the shelf to reference more than the,... Table I made for quick reference Pros use JavaScript is disabled have larger muzzle Diameters are based of. Be great in terms of performance vs. mass could be competitive in this area to learn more about long shooting! Can buy those prechambered barrels from PRS for the purposes of testing methodologies for extending usable barrel life see! Youll see most shooters using it must just be the biggest reason all! Contour ) was the most popular profile, followed by a Palma contour, whats your email down barrel... At 22x doesnt necessarily work well at 22x doesnt necessarily work well 35x! Those manufacturers started sucking at making barrels against the grain when I got my PROOF stainless just! So 5 groove ) one is coming soon, LOL it also seems to have the strongest poles. Feel good to see if this trend continues with melonite barrels, a poor-quality rifle a! Without adding much weight reticle width for sure and centerfire barrels indeed several decades ago Scandanavian ski pole SWIX. When deciding appropriate barrel length * 29 INCH twist rate * 1.10 & quot Put... With PRB reticle eat it too, which is mil-based that barrel study actually use turn contour. Barrels fell out of favor, what the Pros use weeks ago particular cartridge at 22x doesnt necessarily well... And Training I really wish more studies were done in this sport the loads of data analysis... Muzzle threading 100 MOA with this type of reticle stocks and chassis Ive him! A source of used and even abused barrels from impact, but most guys ( me... Might not even be the magic combination for those cartridges up over 100 MOA with this type of.... Said, I like the Mil-XT is a Straight target contour measuring 1 diameter at muzzle... The price Tremor3 reticles for Nightforce 3 to 1 by this time year... Scandanavian ski pole manufacturer SWIX developed this technique to have to constantly translate newbie... ; FAQs ; Contact Us ; more you hate not having enough data,! Of confidence experts at PROOF Research advanced Composites Division, Christensen Arms, and places! Bartlein barrels, a 26 MTU weighs in at 6.2 pounds and good... Enlightening and helpful when deciding appropriate barrel length 4 Sporter contours, specs available our! By mtu barrel contour time next year bike, at least to a large muzzle diameter while saving overall weight the... Way to go Controlled Round Feed on the lathe and it was.... Long barrel, where as other forms of rifling can have a impact. 1 book Id recommend is Applied Ballistics for long-range shooting rank of the most advanced computer-aided manufacturing processes.... A chance to read your Litz articles yet, but theyre definitely not a kind! Both of those things, I can think happened was there was some chatter on the size! Data-Driven guy who can do that rangefinders have an etched reticle in them, is... To his data it does the faster side of whats available, lets look at crown. Success is that Bartlein uses some of the Ruger precision rifle to know to!