![]() With a surface hardness ranging between 82 and 95 Rockwell C, and a friction coefficient of 0.02, this BCG is one of the most durable and easiest to clean on the market. This product is part of the Lantac E-BCG line of bolt carrier groups, fully redesigned to offer higher performance and durability in every aspect while still being compatible with any mil-spec AR-15 build.Įvery element of this bolt carrier group is precision machined, using 8620 steel in all parts except the bolt, made of Carpenter 158 (C158) steel.Įach part of this BCG is Electroless Nickel-Boron (NiB) finished and coated with UCT EXO, significantly improving the hardness, abrasion resistance, and lubricity of the entire assembly. Lantac USA has been manufacturing Glock and AR-15 parts since 2013 and is responsible for introducing numerous innovative products on the market, such as the BMD2 muzzle brake or the ECT1 combat trigger. Lantac Enhanced Full Auto Style Bolt Carrier Group w/ NiB Coating ![]() If you’re looking to save weight on your AR-15 built, this is the one to get. ![]() The complete assembly weighs only 8.5 ounces, making it over 25% lighter than a standard mil-spec bolt carrier group. The gas key screws are properly staked as well, requiring no adjustment from the user and reducing the risk of loosening. This BCG features a visually-striking gold-colored titanium nitride (TiN) finish, improving the lubricity and overall durability, protecting the BCG against corrosion, and making it easier to clean and maintain.Įach part of this bolt carrier group features high-durability steel materials: a 9310 tool steel bolt, S7 tool steel extractor, 8620 steel carrier, and 4140 steel gas key and cam pin. 300 Blackout AR-15s, oriented towards lightweight or competition builds.Īll parts are fully heat-treated, shot-peened, and subjected to Magnetic Particle Inspection (MPI). The Gunner Light Weight Bolt Carrier Group is a unique BCG for 5.56mm and. Faxon Firearms Gunner Light Weight 5.56/.300 BLK Bolt Carrier Groupįaxon Firearms is a well-known name in the firearms industry, responsible for creating many innovative and high-quality products, most notably the ARAK-21 rifle. This BCG also includes an extra-durable extractor spring design, rated to survive 15,000 rounds before the manufacturer recommends replacement. The Melonite QPQ finish is also more durable than the mil-spec phosphate treatment, enhancing the BCG’s service life and giving it an attractive, deep black appearance. The carrier is 8620 steel, the bolt is 9130 steel, and the cam pins and extractor are 4340 alloy steel.ĩ310 steel is an industry-recognized substitute for the mil-spec Carpenter 158 steel typically used to manufacture M16 and M4 bolt carrier groups. Griffin Armament exclusively uses billet machined steel or steel alloy parts, all properly heat treated. None of the parts in this bolt carrier group uses castings. You can use it as the primary BCG for a new build, an upgrade for your existing firearm, or as a backup if your previous BCG breaks or malfunctions. This item is reasonably priced and is suitable for all uses. The Griffin Armament Enhanced Mil-Spec Bolt Carrier Group answers the need for a high-quality, no-frills, mil-spec BCG.
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