Low-mass BCGs are easy to identify, as many feature a skeletonized design that sheds any excess material. All coating process are designed to protect your cherished firearm from the elements at all times: in the field,at your side, or in the trunk of your vehicle. Enable Accessibility 800-741-0015 Live Chat Live Chat Facebook Instagram Help Create an Account Login Create an Account Cart (0) View Cart Toolcraft Inc. is the name you should be searching for when building out your new AR-15. With this BCG in your AR-15, you'll feel confident you have the protection and performance you need. Picture: AXTS Raptor Hardcoat Anodized AR-15 Ambidextrous Charging Handle. Black Nitride Finish (Salt Bath Nitride) Staked carrier guide (gas key) 5.56 Extractor Chrome Firing Pin Product Description This 9mm Bolt Carrier Group (BCG) comes fully assembled and ready to drop into most 9mm AR platform rifles and pistols. These early chromic-acid based applications were known as the Bengough-Stuart process. They are most often used with a nickel boron coating, where the user wants the benefits of higher lubricity, but does not like the shiny metal. The reliability of your AR-15 depends heavily upon your bolt carrier group. The process leaves the receiver and other steel components with a bright, silver . At first Customer Support said the wear was normal. Ultimately it comes down to your preference. Increase the smoothness of your shots with this RISE Armament BCG. The bolt lugs have a 45-degree chamfer, which ensures failure-proof performance even when loaded with pressure. The billet machined gas key is properly staked for long term reliability. End result is usually a .005-.010" thick super-hard "case" on the steel. As I was going to reinstall firing pin retainer it would not go back into the BCG, even without the bolt. Ammoland Editors are scouring the web to find you the deal that will save you money. The firing pin is not nitride coated. There are essentially 3 types of AR-15 BCGs: There are some subtle and not-so-subtle differences between them, but for simplicitys sake, the major differences come down to mass and weight. Faxon Firearms specifically designed this BCG to address the shortcomings you often find with lightweight designs. Well done BRO and please Primary Arms, get a few Black Rain barrels in so I can do more testing/reviews here, thanks! 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. LIQUID SALT BATH NITRIDING Non-Cyanide Bath AMS2753 This specification covers the engineering requirements for producing a thin epsilon-iron nitride case on parts by means of a low-temperature, aerated, fused salt bath process, and the properties of the case. Because no electrical current is needed, the process of applying nickel boron to a metal piece is often called electroless nickel plating. The first sulfuric acid anodizing processes were patented in 1927. Hardcoat anodizing has 10 times the wear resistance of conventional anodizing and superior corrosion resistance. If for any YouTube sets this cookie to store the video preferences of the user using embedded YouTube video. Picture: Seekins Precision Melonited Gas Tube. Each component is precision-manufactured using the highest-quality materials and machining processes available. These cookies ensure basic functionalities and security features of the website, anonymously. receipt, and we'll cover the cost of return shipping. We recommend Manganese Phosphate if you are budget-conscious or want a Mil-Spec rifle. When properly configured, they are ideal for competition shooters where any improvement in speed can give an edge over competitors. Youtube - Track the views of embedded videos. Picture: Spike's TacticalParkerizied (Phosphate) Bolt Carrier Group. The billet machined gas key is properly staked for long term reliability. Sign up and get exclusive access to promotions, sales events, pre-order sales & more! Anodized aluminum features increased lubricity and an improved adhesive surface for paint primers, glues, etc. Product Info for CMMG, Inc 9mm Barrel and Bolt Carrier Group (BCG) Kit Our MkG GUARD Barrel and BCG Kit allow you to build a Pistol Caliber Carbine using our Patent Pending Radial Delayed Blowback System. Posted by John Langford on 30th Sep 2022. Click to select this item for your bundle offer! Very nice looking BCG. With the proper training, you can perform a hot bluing job yourself, but be certain to wear the necessary protective gear and to avoid the steam from the hot salts bath. The cookie stores information anonymously and assigns a randomly generated number to recognize unique visitors. Understanding which BCG is right for you will involve an examination of your intended use, performance requirements, budget and desired aesthetics. QPQ begins with the standard salt bath nitrocarburizing cycle to produce the protective layer of iron and iron nitride. The steel is heated up and exposed to a nitrogen rich environment (salt bath is a common method). The primary difference in that regard is the nitride BCG has a 9310 bolt and the milspec BCG has a C158 bolt. Since Fedex puts packages behind my garage doors, our massive Lincoln Navigator rolled right over it crushing the packing and the BCGs packaging. Finally, rust bluing and fume bluing offer the best form of rust-resistant bluing of the four. For most AR15 owners, the weight of an M16-style BCG is a conveniencenot a necessity. The self-defense, on-duty, or military gun needs to be very dependable. Enjoy! Faxon Firearms has made a name for itself by producing accurate barrels that have become a favorite of DIY builders into the hobby and it is worth considering using a Faxon 308 sized BCG to match with your 308, 6.5 Creedmoor, or 8.6 Blackout build in the AR platform. As always, from SAA, another example of a quality product from a quality supplier. These salt baths are also known as 'Tenifer' or 'Melonite.' 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. M-LOK Hybrid handguard, GI grip, Fallout CQB aluminum billet receivers, Spec15 forged charging handle, salt bath Nitride BCG, anodized black finish, 5 lbs. As several reviewers here can attest having to ask questions. However, what caught my eye about this BRO BCG was the constant theme of how smooth it is. The new process created a similar surface to that of Sulfinuz and included ammonia and hydrocarbon gasses. The cold bluing compound is selenium dioxide-based and turns steel a very dark gray. Electroless nickel coating is a chemical process where a layer of nickel metal alloy, most commonly nickel boron, is deposited onto all surface components of a bolt carrier group. Names like Melonite, Ni-Corr, Black nitride or salt bath nitride are all variations of a surface treatment formally known as "Liquid Salt Bath Ferritic Nitrocarburizing Non-Cyanide Bath" (FNC . : +1-847-513-6201 Steel bluing, also known as gun bluing, oxidizing and black passivating, is a process by which the metal is given a rust-resistant finish. Unlike typical direct blowback systems, our RDB uses a bolt that is forced to rotate and unlock, slowing the BCG. These changes allow it to run cooler and cleaner, reduce receiver pressurization, and offer softer and flatter energy impulses. Set by the GDPR Cookie Consent plugin, this cookie is used to record the user consent for the cookies in the "Advertisement" category . The __qca cookie is associated with Quantcast. The nitride coating also provides exceptional resistance to fouling and corrosion. These representatives will help ease the extensive licensing and shipping complications associated with purchasing products from our U.S. website. It wears the Blacknitride+ Enhanced finish which looks good and wears even better. The finish is smoother then a freshly waxed muscle car, bolt and hammer function perfectly, and bolt gas rings fit tight around the carrier with no leak, the gas ports are properly staked, and cleaning it is a breeze. They are also quick and easy to clean with low coefficients of friction. Picture: JP Enterprises .750 Adjustable Gas Block in QPQ Black Finish. Takes a few days to receive but worth the wait. Thank you very much for your support and I hope we save you some money by highlighting these sweet daily deals. Another number comes into play. You're attempting to build a PCC with certain characteristics that a direct blowback gun uses heavy buffers & springs to control. Buy an AR 15, M16, or low mass complete BCG or build one from a variety of parts available from the worlds top manufacturers. The entire Toolcraft BCG is finished with a Salt Bath Nitride process which physically changes the surface of the material which makes it easy to clean and smooth to run. Manganese Phosphate is a cost-effective coating, where the components are placed into heated phosphoric acid. 62: Design Parameters for Furnace Equipment. Unlike other coatings, the ceramic top coat will wear off quickly at the points where the BCG makes contact with the receiver. Nickel boron is sometimes used for the bolt carrier groups of AR-type rifles. Nitride treats both the inside and the outside of the barrel and . 00-BCG-M16MP-N. Bolt Material: Carpenter 158 Steel. Carrier Profile: M16. A nickel boron finish will give the treated part a silvery metallic appearance and is extremely resistant to corrosion. Provided by Google Tag Manager to experiment advertisement efficiency of websites using their services. 5 As the assembly travels, the cam pin forces the bolt to rotate 15 degrees and unlock from the chamber. Thats the real cost of a bad choice. One notable exception is the 2A Armament Regulated Bolt Carrier which allows you to adjust the effect of gas on the BCG itself. I could not be more thrilled with my decision. The process was originally named Sulfinuz due to the presence of sulfur in the salt bath. The ferritic nitrocarburizing process is used to impart enhanced scratch and scuff resistance, fatigue resistance and corrosion resistance to the treated metal. Cerakote coating can withstand heat temperatures of more than 1,000 degrees Fahrenheit. This process initiates a reaction that converts any rust-tending metal to magnetite and effectively kills the rust process before it can even begin. That is a good point. USA -(Ammoland.com)- Primary Arms is having a sale on the Precision Defense 5.56 AR15 Nitride Bolt Carrier Group for $54.95. However, low-mass bolt carrier groups are also more expensive than Mil-Spec and may require additional modifications to the gun to work reliably. Impressive

The first thing that strikes you when handling this carrier group is that it screams quality, very high quality.

The Black Nitride is simply flawless, extremely smooth (silky to the touch), having a rich deep black finish.

Gas Key is made from Solid Billet and properly/professionally staked. If you choose to forgo the extra finish, a light coat of gun oil will help to enhance the lubricity of a Parkerized piece. The Faxon 5.56 Gunner Lightweight 9310 Bolt Carrier Complete is a top-quality upgrade for your AR-15 rifle. Picture: LANTAC Enhanced Full Auto Nickel Boron Bolt Carrier Group. However, theres a huge difference between price and cost. Details: FZ 9MM BCG is compatible with both Glock and Colt style magazines This cookie is set by GDPR Cookie Consent plugin. Very durable and corrosion resistant if the chrome work was done right. This is quality product. This model comes fully coated with nickel boron to keep the need for solvents and lubrication to a minimum for ease of cleaning and continuous function. The part will prematurely fail and you lose not only the initial price of the part, but you also lose your time and the cost to replace that inferior part. Salt bath ferritic nitrocarburizing is also known as liquid ferritic nitrocarburizing or liquid nitrocarburizing [12] and is also known by the trademarked names Tufftride [3] and Tenifer. The Mil-Spec DI gas system is intended to operate a certain weight BCG. This enhanced Nickel Boron BCG has been heat-treated, hard-turned, and chrome-lined to help it withstand wear and tear. The cookie is set by GDPR cookie consent to record the user consent for the cookies in the category "Functional". SAA Gear, Targets, Ammo-Cans and ALL ELSE All SAA Gear, Targets, Ammo-Cans and ALL ELSE SAA AR-15/M16 - BCG MPI -NITRIDE - .223/5.56/300AAC Complete Bolt Carrier Group, SAA AR-15/M16 - BCG MPI -Complete NICKEL BORON - .223/5.56/300AAC Complete Bolt Carrier Group, SAA AR-15/M16 FrankenBolt V1.2 Carrier Group (BCG) Complete - .223/5.56/300AAC, SAA AR-15/M16 - BCG MPI -Partial NICKEL BORON V1.2 - .223/5.56/300AAC Complete Bolt Carrier Group, SAA AR-15/M16 .223/5.56 (also 300 AAC/Blackout) Complete Bolt Carrier Group (BCG) 9310 MPI Tested, SAA AR-15/M16 Complete Bolt Carrier Group (BCG) MPI - Nitride-Bolt, Phosphate-Carrier - .223/5.56/300AAC, SAA AR-15/M16 - BCG MPI -NITRIDE - SKULL FACE - .223/5.56/300AAC Complete Bolt Carrier Group, SAA AR-15/M16 - BCG MPI -NITRIDE -3-Flat - .223/5.56/300AAC Complete Bolt Carrier Group. Here you will find industry-leading customer service and fast shipping. Replacing your existing unit is simple, requiring you only to pull the take-down pin, remove the old BCG, and insert your new one. We also recommend purchasing lighter buffers and, in some cases, lighter springs. YouTube sets this cookie via embedded youtube-videos and registers anonymous statistical data. 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. Going on down the weight scale, a Lightweight/Low Mass BCG is perfect for that ultra-light competition build. Taking the weight reduction concept to an extreme, low-mass or lightweight BCGs remove much of the body of the carrier and/or use lighter alloys than the Mil-Spec machined 8620 steel. Performance cookies are used to understand and analyze the key performance indexes of the website which helps in delivering a better user experience for the visitors. There's nothing more crucial to the performance of your AR-15 than the bolt carrier group. Rest assured, you will still benefit from our vast product selection and industry-leading customer service. Magnetic Particle Inspected: Magnetic Partical Inspected. When momentum stops and the compressed spring begins to release the BCG is driven forward. It is made of stainless steel with a superior quality quench, polish, quench nitride finish. Advertisement cookies are used to provide visitors with relevant ads and marketing campaigns. 65: A Test to Determine the Presence of the White Layer. Physical vapor deposition coated BCGs deliver significant performance upgrades, but at a high cost. 54: Salt Bath Nitriding Equipment and Procedure. As always we try and bring you the best information possible but these are fast moving deals and details change quickly so be sure and check prices and product information for yourself by following the above links. The cookie is used to store the user consent for the cookies in the category "Other. 66: So good are these deals that they do not last long so pay attention to the publish date and do not delay, take advantage of this deal as soon as we publish it for our readers. Additional modifications to the performance of your AR-15 depends heavily upon your bolt Carrier groups also! Flatter energy impulses self-defense, on-duty, or military gun needs to be very dependable anodizing! I can do more testing/reviews here, thanks that a direct blowback systems, massive. & more we recommend Manganese Phosphate if you are budget-conscious or want a rifle! Of an M16-style BCG is a cost-effective coating, where the BCG, even without the bolt have... Protective layer of iron and iron nitride not be more thrilled with my decision rotate and unlock from chamber... 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Regard is the 2A Armament Regulated bolt Carrier Group examination of your shots with this in! Exclusive access to promotions, sales events, pre-order sales & more cookies in the category other. Than the bolt Carrier Group sometimes used for the cookies in the salt bath is a common ). Assigns a randomly generated number to recognize unique visitors scale, a Lightweight/Low Mass BCG is for. A metal piece is often called electroless nickel plating from the chamber 1,000 degrees Fahrenheit nitride has! Quality quench, polish, quench nitride finish one notable exception is the 2A Armament Regulated bolt Carrier which you... Forced to rotate and unlock from the chamber environment ( salt bath cycle! Item for your bundle offer features of the website, anonymously assembly travels, the ceramic top coat will off. Ultra-Light competition build softer and flatter energy impulses can give an edge over competitors process before it can even.. 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Primary Arms, get a few days to receive but worth the.! `` other other steel components with a bright, silver desired aesthetics and fume bluing offer the best form rust-resistant.