Bolt Carrier Groups (BCG) & Parts

If you’re building an AR, looking to change calibers, or just need to change out the BCG in your current AR, this section showcases many different options. Check out our Black Nitride finish BCGs which are easy to clean, don’t require a lot of oil, and are durable and corrosion resistant. If you are looking for something unique with a little flash, yet still a good value, the United Defense Nickel Boron has a nice silvery nickel finish, needs even less oil due to its chemical properties, and is really easy to clean.
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Custom Deal Lakota Ops LR-308 LE Stock Finish Your Rifle Build Kit - .308 WIN/6.5 Creedmoor/.243 WIN
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Custom Deal CMMG Lower Parts Kit + AR-15 5.56/.223/.300/.350 BCG + Strike Industries Charging Handle
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Custom Deals Aero M5 .308 LPK + .308/7.62 BCG FWD Assist Notches QPQ + T6 7075 AR-10 Charging Handle
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Omega Deals Holy Ambidextrous Charging Handle + Magpul BAD Lever Extended Bolt Catch + 5.56/.223 BCG
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Custom Deal CMMG Magazine, AR-15, .350 Legend, 20Rd + Premium AR-15 5.56 Complete Bolt Carrier Group
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Custom Deal DuraMag Magazine .223 Rem/5.56 NATO 30 Rd + Spike's Tactical BCG 5.56 - Phosphate Finish
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Custom Deal HEXMAG, Magazine, 308 Win/762NATO, 20Rd + Davidson Defense .308 LR-308 BCG, Nickel Boron
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