Bolt Carrier Groups

Firing pin retainer pin Material: Carbon Steel Heat Treat: HRC 45-50 Finish: Manganese Phosphate

This 6MM ARC Bolt Carrier Group (BCG) comes fully assembled and ready to drop into most Mil-Spec upper receivers chambered in 6MM ARC. All critical parts are coated with EXO Nickel Boron Technology that provides permanent dry lubricity, extreme...

High quality components and precise manufacturing make CMMG parts ideal for maintaining and upgrading firearms. The durability, reliability and excellent build quality of these parts will ensure years of service you can count on. CMMG, AR15 Bolt...

Introducing true unparalleled innovation..   The Two-Piece Bolt Carrier Group.   No matter how hard we tried, we simply could not get the quality BCG we needed in our systems, so we not so simply made our own. Most BCG's on the market...

Introducing true unparalleled innovation..   The Two-Piece Bolt Carrier Group.   No matter how hard we tried, we simply could not get the quality BCG we needed in our systems, so we not so simply made our own. Most BCG's on the market...

Everything you need to convert your existing upper to a dedicated .22LR. Just purchase a magazine and you are ready to go. For best performance use a round style hammer as notched hammers can cause function issues and 36 grain plated nose bullets have...

The POF Roller Cam Pin reduces friction and drag of the bolt carrier. The roller cam pin rolls as the action moves. The roller cam pin is NP3 coated and the body is Milspec hard chrome plated. This allows the pin to operate without lube. This can be...

LBE Unlimited Crush Washer - 5.56 ARCW-556 LBE Unlimited crush washer for 556 NATO chambered AR.

DD 5.56mm Bolt Carrier Group, Complete, F/A, HP & MPI Tested Daniel Defense 5.56 NATO (5.56x45mm & .223 Remington) / 300 Blackout (7.6x35mm) full-auto compatible, M16 Profile, complete bolt carrier group assembly. CARRIER Machined from 8620...

Sons of Liberty Gun Works - Bolt Carrier Group - Scalper Logo For 223/556 With Manganese Phosphate Finish

The LBE AR Bolt Kit includes the bolt, firing pin, cam pin and firing pin retaining pin. Made in the USA. LBE Unlimited, AR Bolt Kit, Includes Bolt, Firing Pin, Cam Pin, and Retaining Pin Fits AR-15 158 Carpenter Steel Bolt Made in the USA