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Bolt Carrier Groups

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Nickel Boron AR15 Bolt Carrier Group.

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$248.85

The  Black Rain Bolt Carrier Group BRO-BCG for the M16/AR-15 is a nickel boron coated BCG. NiB-X reduces friction to the absolute minimum and eliminates corrosion and abrasion. The slick finish also keeps carbon from adhering, so clean up is much faster and easier than with standard parts. Get an amazing BCG for your .223/5.56 rifle with the Black Rain BRO-BCG. ...

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$201.99 $224.95

9mm AR-15 bolt assembly is complete and ready to drop into your 9mm upper. This unit is ramped for use with a standard AR or M16 hammer; no more having to purchase an additional non-standard part.

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The CMMG  55BA419 BOLT CARRIER GROUP is a Mil-Spec part made for the M16 in 5.56 caliber. This also works great for the AR-15 in .223/5.56! (M16 bolt carriers are Mil-spec and work with both full-auto and semi-auto rifles, including the M4, AR15, and M16!). Pick the drop-in replacement and go for the 55BA419 Bolt Carrier Group.   FEATURES: Complete...

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For a complete semi-auto BCG, drop in the AR-15 BCG Kit. With its EXO Technology, its practically maintenance free. All critical parts are treated with EXO Technology, a revolutionary surface technology that provides permanent dry lubricity, radically improves the performance of your AR-15 and eliminates the need to apply oil or grease to treated parts for the life of the weapon....

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When you need a ready to install a Bolt and Carrier System, the M16/M4 BCG Kit might be for you. All critical parts are treated with EXO Technology, a revolutionary surface technology that provides permanent dry lubricity, radically improves the performance of your AR-15 and eliminates the need to apply oil or grease to treated parts for the life of the...

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$156.85

This LBE Unlimited Bolt Carrier Group is designed specifically for the AR15 (not compatible with the M16 rifle). It is a Phosphated BCG made from 8620 Steel. For a great Bolt Carrier Group at a great price, go for the AR15BLT.   FEATURES: 8620 Steel; High quality steel Phosphated: Protected to last   SPECIFICATIONS: Material: 8620 Steel Finish: Phosphated

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$162.85

The M16BLT or the LBE Unlimited Bolt Carrier Group is a Phosphated 8620 Steel Bolt Carrier Group. Have what the Elite Task Force Teams use and get the M16BLT. Mil-spec - works with AR15 or M16.   FEATURES: Mil-spec bolt carrier assembly; Milspec quality Machined from 8620 steel; Strong and durable Phosphated; Protected to last Carpenter 158 bolt that is...

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Midwest Industries is known for manufacturing high-quality, high-value parts, and this BCG is no exception. The bolt is MPI inspected to ensure long-term dependable operation, and it's backed by a lifetime MI warranty. A great choice for any AR-15 build. Specifications: Bolt made of Carpenter #158 Steel Shot Peened Bolt Bolt Carrier made of 8620 steel Magnetic Particle Inspected and marked "MPI"...

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$165.45

The Spike's Tactical Bolt Carrier Group for the M16 is Black Phosphated to protect it and make it last longer. Its bolts are also High Pressure Tested (HPT) and then individually Magnetic Particle Inspected (MPI) to ensure quality. 100% compatible with AR15, M16, and M4 rifles.   FEATURES: Mil-Spec 8620 tool steel M16 bolt carrier with shrouded firing pin; Mil-Spec...