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The Bolt Carrier Group (BCG) is the heart of your AR 15. Buy an AR 15, M16, or low mass complete BCG or build one from a variety of parts available from the world’s top manufacturers. Choose from specialized coatings such as Nickel Boron, Nitride, Melonite or Phosphate.
Browse 86 Bolt Carrier Groups In Stock Up To 28% Off. Brownells Bolt Carrier Groups products have an average rating of 4.3/5 and 761 reviews from verified buyers and brands like BROWNELLS, CMMG, FAILZERO, & FAXON FIREARMS.
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What is a bolt carrier group (BCG)?
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The Bolt Carrier Group is the heart of your AR15 or AR10, so shop from our wide selection of options in finishes, colors, and calibers. Popular brands like TRYBE Defense , Aero Precision , Cryptic , and others offer high-quality BCGs that will go the distance on your modern sporting rifle.
Brownells has 63 AR15 Bolt Carrier Groups In Stock from Top Brands like BROWNELLS, FAILZERO, FAXON FIREARMS with a score of 4.4/5 from 592 verified buyers.
We have the best AR-15 bolt carrier groups in stock from the most trusted brands, including Spike’s Tactical & Ballistic Advantage, along with our own line of RTB-brand BCGs. Shop for mil-spec bolt carrier groups at RightToBear.com and save with free shipping on select items!
Palmetto State Armory has a large selection of bolt carrier groups for your AR-15 rifle or pistol. We offer BCGs from brands like Palmetto State Armory, PSA Custom , Cryptic Coatings, Toolcraft, and more.
Whether you’re building your first AR, upgrading a firearm for improved performance, or replacing a malfunctioning part, you’ll find the perfect AR-15 bolt carrier group in our quality-first components collection. Show: 31 Per Page. Sort By: By Review. Out of Stock.
