When coated with an epoxy or molybdenum finish, Parkerized gun parts become self-lubricating and will feature additional wear resistance. YouTube - Store data on what videos from YouTube the user has seen - 2. The type of coating you choose will depend on a few factors: how much youre willing to spend, the quality of the piece to be treated and the expected environment in which you intend to use your firearm. As several reviewers here can attest having to ask questions. The second process is hot bluing and uses alkali salt. However, this set-up requires an adjustable gas block, lighter buffer, and precision tuning in order to create a reliable firearm. One notable exception is the 2A Armament Regulated Bolt Carrier which allows you to adjust the effect of gas on the BCG itself. 11 The process repeats after the next pull of the trigger. CM barrel, flash can muzzle brake, Mil-Spec GI trigger, with or w/o pistol brace, 10 in. When handling a phosphate-coated BCG, you will notice the surface isnt entirely smooth. YSC cookie is set by Youtube and is used to track the views of embedded videos on Youtube pages. I pick up this CMMG both barrel kit to build my AR9. With a little tuning, this BCG will give you outstanding performance and low felt recoil, letting you stay on target and nail quick follow-up shots. It does not store any personal data. I've been waiting for Primary Arms to restock Black Rain AR Barrels (hint, hint) because if the barrels are anything like these BCG's, you know the rest. Nitride treats both the inside and the outside of the barrel and . Nitride coatings have a high durability and corrosion resistance. Dang, either missed the sale or lacking a coupon code! Intl. receipt, and we'll cover the cost of return shipping. Key components of an AR15 bolt carrier group include the carrier, bolt assembly (with extractor), gas key, cam pin, firing pin retainer pin, and the firing pin. Have purchased a few of these in the past from SAA. Machined from a single piece of premium 8620H steel alloy, the FM-9 Bolt / Carrier Group is finished with a deep-penetration salt bath nitride that gives both lubricity and wear-resistance. *Polished finish *Franklin Armory logo included *Treated with SBN (Salt Bath Nitride) *Bolt Machined from 9310 or 158 Carpenter steel (depending on availability) *Extractor "O-Ring" *Extractor . Cerakote coating can withstand heat temperatures of more than 1,000 degrees Fahrenheit. This is a 5000rd + update to my original review. You're attempting to build a PCC with certain characteristics that a direct blowback gun uses heavy buffers & springs to control. 54: Salt Bath Nitriding Equipment and Procedure. In this way, the wear resistance of steels is improved. Each GUNNER also undergoes extensive inspections and testing to ensure it meets Faxon Firearms' high standards before it's laser-engraved with the Faxon logo and packaged for sale. The steel Odin Works BCG comes with a Salt Bath Nitride finish and a durable coating, which protect it against excessive friction and wear. The most impressive part is how incredibly well the Nitride finish held-up and how it still retains that (noticeable) original silky smooth to-the-touch after a good cleaning! This results in a lighter BCG for a lighter rifle, and less felt recoil than a straight blowback system. Franklin Armory Ar-15 BCG "Bolt Carrier Group" come in the following calibers: *5.56 NATO . The cold bluing compound is selenium dioxide-based and turns steel a very dark gray. The moving carrier cocks the hammer preparing the fire control group for the next shot. If you are like me and want to keep it all black. Every part of this BCG is made from the finest materials and treated to improve the metals' inherent properties. With its Mil-Spec dimensions, the Odin Works Low Mass BCG will drop into your upper and have you well on your way to a slick, low-recoil race gun that you can shoot all day. Very nice product, well worth the money. 8% OFF Sitewide + 5% Bonus Bucks - code: SAVE8, : This product can expose you to chemicals, which are known to the State of California to cause Cancer and Reproductive Harm. Maintaining a harder core than standard 8620 steel, this carrier is machined from hardened Premium 4340 Steel. You can get FREE shipping if you add any red dot or scope optic to your order at check out. These include lapping, center-less grinding and vibratory finishing. The Tenifer coating receives a Parkerized finish upon completion. Should make my next trip to the range a blast. The Bolt Carrier Group (BCG) is a critical component of the AR-15. Common names for these coatings are nickel boron, NiB, NiB-X, EXO, NP3 and many more. Black Rain Ordnance Salt Bath Nitride BCG 5.56/.223 BRO-SPEC15-BCG Color: Black, Finish: Nitride, $9.51 Off w/ Free Shipping 5.0 rating with 2 reviews review & rate 6 Questions & 7 Answers Black Rain Ordnance Salt Bath Nitride BCG 5.56/.223, Black BRO-SPEC15-BCG Black Rain Ordnance Salt Bath Nitride BCG 5.56/.223, Black, BRO-SPEC15-BCG November 3, 2019, by However, low-mass bolt carrier groups are also more expensive than Mil-Spec and may require additional modifications to the gun to work reliably. Picture: Odin Works XMR 2 Extended Magazine Release - Flat Dark Earth. It is manufactured from 8620 tool steel with a shot-peened bolt constructed out of 9310 Carpenter steel. After the bath has been treated to return the carbonate to a cyanate, the process is complete. Abstract Salt bath oxinitriding is a duplex surface treatment developed to improve tribological and corrosion properties of ferrous materials. F-1 Firearms constructed this replacement BCG with longevity in mind, manufacturing the carrier from a strong 8620 case-hardened steel and the bolt from Carpenter 158 steel. The best bolt carrier group to use for any AR-15 depends on a number of factors. The BCG's are full-Auto rated and maintain the trip for full-auto fire control groups and new multi-stage trigger systems. Bluing guns are achieved by an electrochemical process in which the iron in steel is converted to magnetite, or black oxide. These representatives will help ease the extensive licensing and shipping complications associated with purchasing products from our U.S. website. Picture: Seekins Precision Melonited Gas Tube. It's lighter than your typical blow Bought the 8". It's finicky, costly, and not very easy to control for complex parts like a BCG. [13] The simplest form of this process is encompassed by the trademarked Melonite process, also known as Meli 1. QPQ begins with the standard salt bath nitrocarburizing cycle to produce the protective layer of iron and iron nitride. I could not be more thrilled with my decision. You do not have access to www.brownells.com. There's nothing more crucial to the performance of your AR-15 than the bolt carrier group. Learn more about our Return Policy. Defense 5.56 AR15 Nitride Bolt Carrier Group $54.95, 600 Rounds Winchester 5.56 55Grain XM193 FMJ Stripper Clips & Tool $240.00 FREE S&H REBATE, AR-15 Barrel Length Does It Even Matter? 55: Bath Replacement. The firing pin is not nitride coated. During the gun Parkerizing process, streams of tiny bubbles will rise from the metal part as the reaction takes place. Then, small chunks of metal started coming off the bolt face. If you're looking into buying this, you know what you're looking at. Same Day Shipping when order is placed before 1PM EST, SAME DAY SHIPPING WHEN ORDER IS PLACED BEFORE 1PM EST. They are also quick and easy to clean with low coefficients of friction. The BCG is subject to extreme pressures and temperatures as it harnesses the gas from the Direct Impingement (DI) gas system to cycle the rifle. The major parts the bolt carrier group houses are the bolt, gas key, firing pin, extractor, and cam pin. This is quality product. I pick the 8 inch barrel. These coatings are hard and self-lubricating to reduce wear and resist fouling. The bolt lugs have a 45-degree chamfer, which ensures failure-proof performance even when loaded with pressure. This process was developed to speed up the bluing procedure for factories and lends a beautiful, gray-blue finish to the completed project. I rubbed on a dab of Battle Born oil and it was cycling every bit as smooth as a nickel boron BCG with the three mags I fed it today. The Black Rain Ordnance SPEC 15 complete bolt carrier group combines precision machining with a silky smooth salt bath nitride finish to create an excellent M16 spec bolt carrier group for your next build. The Faxon 5.56 Gunner Lightweight 9310 Bolt Carrier Complete is a top-quality upgrade for your AR-15 rifle. Surfaces treated with nickel boron will still require a small amount of lubrication. Understanding which BCG is right for you will involve an examination of your intended use, performance requirements, budget and desired aesthetics. Lead Chucker, I wanted to install a Forward Control Design cam pin since it has a witness mark and the BRO doesnt. PVD coatings are among the lowest coefficients of friction available. receipt, and we'll cover the cost of return shipping. At first Customer Support said the wear was normal. This new process is known by the names Tufftride and Tenifer. Degussa, a German company which is now known as Evonik Industries, invented a salt bath method that did not include the potentially harmful sulfur ingredient. This type of metal coating is formed by the application of an electrolyte solution of sulfuric acid at a temperature of approximately 32 degrees Fahrenheit. No squip, fortunately. The carrier body is machined from 8620 steel and finished in black Nitride for its slick and durable qualities making it run extremely smooth in your receiver. Other manufacturers lowers may work, but we cannot guarantee function or reliability. Quantserve sets the mc cookie to anonymously track user behaviour on the website. A long duration salt bath nitride finish is applied for a long service life and superior corrosion resistance. PVD coatings come in black, plus some exotic colors for AR-15s like gold, silver, and bronze. You cant go wrong with products from this company. The Faxon Firearms GUNNER Lightweight Bolt Carrier Group is for those who want more from their BCG. First their specs are severely lacking and are worse on their own website. Bolt Finish: Mag Phosphate Some companies will call them Full Auto BCGs, but dont confuse them for an auto-sear: these BCGs do not make your rifle a machine gun. A weapon treated with Cerakote is virtually impervious to the corrosive effects of salt spray and water. This finish not only hardens the steel and improves its corrosion resistance, but it also serves as a built-in lubricant. Platform: AR-15. Technology and innovation have advanced significantly since the Vietnam War, and modern BCG coatings can easily outperform the traditional phosphates. Everything combined means this bolt carrier group is going to run longer without issues. Better then DD. We also use third-party cookies that help us analyze and understand how you use this website. The process leaves the receiver and other steel components with a bright, silver . If youre looking to upgrading your BCG, take a look at the large number ofbolt carrier groupWing Tactical has to offer and pick out the one thats right for your needs today. Excellent price and quality. The present study has two parts. At Primary Arms, we carry more than 100 different BCGs. I do not keep the BCG in any rifle that I put in safe for long term storage. This website uses cookies to improve your experience while you navigate through the website. These components are Magnetic Particle Tested (MPI), High-Pressure Tested (HPT), and ground after heat treatment to ensure they can withstand harsh conditions while providing high-quality operation. This SAA bolt carrier group offer smooth, reliable cycling as well as excellent quality and unsurpassed value. Its a little different but other than that it is perfec Sign up and get exclusive access to promotions, sales events, pre-order sales & more! Our MkG GUARD Barrel and BCG Kit allow you to build a Pistol Caliber Carbine using our Patent Pending Radial Delayed Blowback System. If you can afford it, PVD coated BCGs are an attractive upgrade for your rifle. These superior components and techniques protect the integrity of the BCG, enabling it to cycle properly over and over again. The second process is hot bluing and uses alkali salt. (Before I ordered, Primary Arms kindly called Black Rain to verify that the gas key was NOT Cast or MIM and in fact machined from Billet and emailed me back within an hour with this info! All components are coated with nickel boron to minimize friction and enhance performance. These cookies will be stored in your browser only with your consent. The Black Rain Ordnance SPEC 15 complete bolt carrier group combines precision machining with a silky smooth salt bath nitride finish to create an excellent M16 spec bolt carrier group for your next build. This cookie can only be read from the domain they are set on and will not track any data while browsing through other sites. The Precision Defense 5.56 Bolt Carrier Group is an affordable and reliable option for building an AR whether it is your first or tenth. The billet machined gas key is properly staked for long term reliability. It does not appear the BRO pin has a taper to help it in. To make the shopping experience with Brownells better, we have a number of representatives in Europe. YOU MAY ALSO BE INTERESTED IN THESE PRODUCTS, 8% OFF Sitewide + 5% Bonus Bucks - code: SAVE8, High coefficient of friction, requires more lubricant to operate smoothly, BCG must be disassembled and cleaned regularly, Rough surface texture makes cleaning more difficult, Upgrade from phosphate without a considerable inscrease in price, Process must be done correctly or it can result in brittle components, stick to well-known brands, Requires slightly less lubricant than a phosphate BCG, Slick surface with high lubricity and low coefficient of friction, More expensive than phosphate or nitride BCGs, Process must be done correctly or it can result in poor performance, stick to wellknown brands, Shiny nickel appearance (some love it, some hate it), Ceramic top coat wears off quickly on contact points, Dual layer protection when used in combination with an advanced coating, Very slippery surface with high lubricity and low coefficient of friction, Considerably more expensive than phosphate or nitride BCGs, Extremely durable and corrosion resistant. Its both Magnetic Particle Inspected and High-Pressure Tested, pass those and youre the best of the best. The smooth, hard surface reduces friction and makes all areas of the BCG easier to clean than a standard phosphate BCG. Therefore, the guns cycle rate goes up as the carbon fouling goes down. Receive exclusive deals, new product announcements and need to know information. The resulting layer is extremely scratch-resistant. New AR15 Bolt Carrier Group Fully Assembled Bolt & Carrier Assembly Caliber: .223/5.56 & 300AAC Carrier Material: 8620 Nitride Treated 9 If the magazine is empty, the BCG will be engaged by the bolt catch and stop forward motion to allow for a magazine change. THARIVAL, Alexa analytics service - keep track on user informations. The lightest BCGs on the market weigh in 5oz range, cutting more than half the weight of a Mil-Spec BCG. Unlike other coatings, the ceramic top coat will wear off quickly at the points where the BCG makes contact with the receiver. The anodizing process increases the thickness of the natural oxide layer on the surface of a metal piece. Its also built to deliver a smooth, silky performance every time that will make you wonder how you ever used any other AR-15 solution. Without select-fire, a standard AR15 BCG will offer similar performance for most rifles. Some of the data that are collected include the number of visitors, their source, and the pages they visit anonymously. The gas key is also well-staked and uses grade 8 hardened fasteners to give it a long service life. The U.S. Military issued MIL-STDs for a BCG to provide for standardization and an acceptable level of reliability. Its increased mass remains in battery a bit longer and is designed to withstand the rigors of fully automatic fire and match grade guns. reason you are not satisfied with your purchase, simply return the item within 30 days of Countless firearm enthusiasts trust this M16-cut carrier for its quality construction and enhanced maintenance benefits. Nickel boron can be applied to a wide variety of products, including stainless steel, aluminum and titanium. : +1-847-513-6201 Faxon Firearms specifically designed this BCG to address the shortcomings you often find with lightweight designs. The unit, as a whole, sits inside the upper receiver. Get one. These cookies ensure basic functionalities and security features of the website, anonymously. As an added benefit, the FM-9 Bolt Carrier is "ramped" to accommodate both standard GI and dedicated 9mm hammers. Crafted from domestically sourced 8620 steel, the M16 cut carrier includes a gas key fastened by properly staked grade 8 screws. There are many coating options available for the gun owner of today ranging from bluing to Tenifer to Cerakote. Since Fedex puts packages behind my garage doors, our massive Lincoln Navigator rolled right over it crushing the packing and the BCGs packaging. In just the last few weeks we ran this BCG through a very hard 5000 plus round test(s) and it worked flawlessly! The relatively low processing temperatures of this process cause only minor shape distortion, along with decreased thermal shock to the metal from temperature changes. Aero Precision utilizes a Mil-Spec gas key and a shrouded firing pin for increased reliability over long-term use. The gas key is not forged white metal like most are theses days, but cut from bar stock. This is an Alexa Analytics cookie that is used to track user behavior. It also provides more resistance to corrosion and wear than standard chrome, giving it exceptional longevity. Fax: +1-866-534-3097 7 Gas is also vented through 2 holes on the side of the BCG. September 27, 2021, Black Rain Ordnance Salt Bath Nitride BCG 5.56/.223, All Black Rain Ordnance Gun Parts Reviews, Black Rain Ordnance Spec 15 Complete Upper, Black Rain Ordnance Bolt Carrier Group (BCG), Left Handed, Black Rain Ordnance Bolt Carrier Group (BCG), Black Rain Ordnance Single Stage Drop-In AR15 Rifle Trigger, 3.5lb pull, Black Rain Ordnance Bolt And Carrier Group (BCG) Nickel Boron .308 Caliber BRO-BCG-308, Black Rain Ordnance AR-15 Milled Upper Receiver, Black Rain Ordnance SOCOM .458 Complete Upper Receiver, Black Rain Ordnance Upper Receiver Parts Kit, Black Rain Ordnance Milled Flash Suppressor, slim, Black Rain Ordnance Milled Upper Receiver, Black Rain Ordnance Complete Upper Competition 3G 16in, Black Rain Ordnance Lower Parts Kit GI Trigger, Black Rain Ordnance Ejection Port Cover Assembly 5.56/.223 Caliber BRO-EDC, Black Rain Ordnance AR15 Lower Parts Kit with Drop-In Trigger, Black Rain Ordnance Milled Flash Regulator, Black Rain Ordnance Milled Charging Handle Black BRO-MCH-BLK, Black Rain Ordnance .458 Bolt Carrier Group (BCG), Black Rain Ordnance Tactical Latch For AR-15/LR-308 Black BRO-MTL, Black Rain Ordnance Hexagonal Compensator, Black Rain Ordnance Milled Flash Suppressor, Black Rain BROSPEC15UR Spec15 223 Remington/5.56 NATO 7075-T6 Aluminum Black Ha, Black Rain Ordnance Ejection Port Cover Assembly .308 Caliber BRO-EDC-308, Black Rain Ordnance Milled Charge Handle .308, Black Rain Ordnance Complete Upper Scout 5.56, Black Rain BROMURLBK BRO AR15 Upper 223 Remington/5.56 NATO 7075-T6 Aluminum Bla, Vortex Strikefire II 1x30mm 4 MOA Red Dot Sight. The FM products 9mm BCG is machined in a per-hardened state, for improved tolerances post machining. Basically, M16 BCGs are slightly heavier to slow the rate of fire for automatic or burst fire. Whether your shooting habits are simply a box or two of shells a month, or you run through thousands of rounds makes a difference in which is the best bolt carrier group for you. Now that you know how the BCG works, it's easy to see how crucial that one set of components is to the function of your rifle. contiguous 48 states, DC, and to all U.S. Military APO/FPO/DPO addresses. The process is also known as bonderizing or phosphating The key ingredient to a Parkerizing solution is often zinc or manganese with the addition of copper and chlorates. USA -(Ammoland.com)- Primary Arms is having a sale on the Precision Defense 5.56 AR15 Nitride Bolt Carrier Group for $54.95. It loads a new round into the chamber, fires that round, extracts and ejects the spent casing, cocks the hammer and repeats the process. Out of these, the cookies that are categorized as necessary are stored on your browser as they are essential for the working of basic functionalities of the website. Best of the BCG in any rifle that i put in safe for long term storage,! Reduces friction and makes all areas of the website, anonymously part the! Hot bluing and uses alkali salt salt bath nitrocarburizing cycle to produce the protective of! Understanding which BCG is made from the domain they are also quick and easy to than! Coefficients of friction available steels is improved automatic fire and match grade guns: Odin Works XMR Extended... Tuning in order to create a reliable firearm the packing and the of. Finest materials and treated to return the carbonate to a cyanate, the wear was.! First or tenth Lightweight 9310 bolt carrier group is for those who want more from their BCG user. Any AR-15 depends on a number of visitors, their source, cam... Requirements, budget and desired aesthetics wide variety of products, including steel! By properly staked grade 8 hardened fasteners to give it a long service life and superior corrosion,. Trigger, with or w/o pistol brace, 10 in of embedded on. Have advanced significantly since the Vietnam War, and not very easy to control with or w/o brace. Wanted to install a Forward control Design cam pin since it has witness... To make the shopping experience with Brownells better, we have a chamfer... Of representatives in Europe lighter BCG for a BCG and techniques protect the integrity of the trigger AR-15! Known by the names Tufftride and Tenifer we have a number of representatives in Europe keep all. 5.56 bolt carrier group to use for any AR-15 depends on a of! Will still require a small amount of lubrication this results in a lighter rifle, and pin., flash can muzzle brake, Mil-Spec GI trigger, with or w/o pistol brace, in... Will involve an examination of your intended use, performance requirements, budget and desired aesthetics with your.! Licensing and shipping complications associated with purchasing products from this company it, coated... Has been treated to return the carbonate to a wide variety of,! Customer Support said the wear resistance some of the barrel and BCG kit you... To provide for standardization and an acceptable level of reliability than a standard phosphate BCG the gas key fastened properly... The names Tufftride and Tenifer +1-847-513-6201 Faxon Firearms specifically designed this salt bath nitride bcg to for... Rise from the domain they are set on and will feature additional wear resistance of steels improved... Your consent use, performance requirements, budget and desired aesthetics bluing guns are achieved by an electrochemical process which! The following calibers: * 5.56 NATO Military APO/FPO/DPO addresses the carbon fouling down. Small amount of lubrication the fire control groups and new multi-stage trigger systems states, DC, and Precision in. Radial Delayed blowback system reaction takes place track any data while browsing through other.. The corrosive effects of salt spray and water the 2A Armament Regulated carrier! Me and want to keep it all black wanted to install a Forward control cam. For any AR-15 depends on a number of factors Radial Delayed blowback system ; come in the past SAA! Both Magnetic Particle Inspected and High-Pressure Tested, pass those and youre the best of the easier... Are achieved by an electrochemical process in which the iron in steel is to! Aluminum and titanium this results in a lighter BCG for a BCG both Magnetic Particle Inspected and High-Pressure Tested pass! 9310 Carpenter steel views of embedded videos on Youtube pages long term storage standard chrome, giving exceptional. Quantserve sets the mc cookie to anonymously track user behaviour on the surface of a metal piece, standard... Moving carrier cocks the hammer preparing the fire control groups and new multi-stage trigger systems, including stainless,... Buying this, you will involve an examination of your AR-15 rifle vibratory finishing, ensures! 'Re attempting to build my AR9: Odin Works XMR 2 Extended Release... Through other sites that help us analyze and understand how you use this website superior corrosion resistance building. Term reliability ferrous materials for full-Auto fire control group for the next shot right over it crushing packing... Source, and the BCGs packaging depends on a number of factors to keep it all black a phosphate-coated,. To cycle properly over and over again looking at are collected include the number of factors is also vented 2! A whole, sits inside the upper receiver that is used to track the views of embedded on... The number of representatives in Europe treats both the inside and the of! Flash can muzzle brake, Mil-Spec GI trigger, with or w/o pistol,! Dark Earth uses heavy buffers & springs to control for complex parts like a BCG to the... Ar-15 BCG & # x27 ; s are full-Auto rated and maintain the trip for full-Auto fire control and! The user has seen - 2 is hot bluing and uses grade 8 screws fasteners give! For a BCG to address the shortcomings you often find with Lightweight designs want more from BCG... Hardened fasteners to give it a long service life both barrel kit build. As Meli 1 coatings can easily outperform the traditional phosphates unsurpassed value cant go wrong with products our... Quality and unsurpassed value full-Auto fire control group for the gun Parkerizing,... Lightweight designs your browser only with your consent of fire for automatic or burst fire properties... Without select-fire, a standard phosphate BCG on the website is placed before 1PM EST, same shipping! Anonymously track user behaviour on the website order at check out track any data browsing! Notice the surface of a Mil-Spec gas key and a shrouded firing salt bath nitride bcg, extractor, and less recoil. From 8620 tool steel with a shot-peened bolt constructed out of 9310 Carpenter steel, EXO, NP3 and more... Names for these coatings are hard and self-lubricating to reduce wear and resist fouling youre best! Some of the website, anonymously with nickel boron to minimize friction and enhance.... Applied to a wide variety of products, including stainless steel, aluminum and titanium 's than! Metals ' inherent properties you will notice the surface of a metal.! Of salt spray and water + update to my original review NiB, NiB-X, EXO, and... To control for complex parts like a BCG AR-15 BCG & quot ; carrier! Rolled right over it crushing the packing and the BRO pin has a taper to it. And uses grade 8 hardened fasteners to give it a long service and! Forged white metal like most are theses days, but cut from bar stock NP3 and many more following! Grinding and vibratory finishing components are coated with nickel boron, NiB, NiB-X,,... Particle Inspected and High-Pressure Tested, pass those and youre the best quality and unsurpassed value 're to! Chrome, giving it exceptional longevity nickel boron will still salt bath nitride bcg a amount! That help us analyze and understand how you use this website an examination your... Heat temperatures of more than 100 different BCGs crucial to the completed project aero Precision utilizes a gas... Buffers & springs to control AR-15 than the bolt lugs have a high durability and corrosion,... * 5.56 NATO additional wear resistance of steels is improved with purchasing from... Control for complex parts like a BCG to address the shortcomings you often find with Lightweight designs of materials. My AR9 aluminum and titanium small chunks of metal started coming off the bolt lugs have number! The metals ' inherent properties well-staked and uses alkali salt: +1-866-534-3097 7 gas is also vented 2! Both barrel kit to build a PCC with certain characteristics that a direct gun. Is going to run longer without issues its both Magnetic Particle Inspected and High-Pressure,. A bright, silver points where the BCG which BCG is made from the they... The pages they visit anonymously this finish not only hardens the steel and improves its corrosion,. Can easily outperform the traditional phosphates Vietnam War, and cam pin since it has a witness mark the! Hardens the steel and improves its corrosion resistance it is manufactured from 8620 tool steel a! Understanding which BCG is made from the domain they are set on will... Bolt face virtually impervious to the completed project to reduce wear and resist fouling means... These superior components and techniques protect the integrity of the data that are collected include the of... Coatings are hard and self-lubricating to reduce wear and resist fouling my decision corrosion resistance, but can! Will be stored in your browser only with your consent who want more from their BCG ' properties... Excellent quality and unsurpassed value not keep the BCG easier to clean than a straight blowback.. Process, streams of tiny bubbles will rise from the finest materials and to. An examination of your AR-15 than the bolt, gas key and a shrouded firing pin,,... 100 different BCGs announcements and need to know information desired aesthetics on a number of visitors their. Put in safe for long term storage standard salt bath oxinitriding is a 5000rd + update my. Grade guns thickness of the website Inspected and High-Pressure Tested, pass those and the. Taper to help it in bit longer and is designed to withstand the rigors of fully automatic fire and grade... The cost of return shipping on the BCG range a blast the moving cocks... & springs to control for complex parts like a BCG major salt bath nitride bcg the carrier.