Bolt Carrier Groups

M16 Chrome Complete Bolt Carrier Group with Standard Bolt, Hard Chromed after Heat Treatment CNC Machined Hard chromed after heat treatment Sharp edges and rough finishes eliminated This is a...

Angstadt Arms, AR-15 Bolt Carrier Group, 9MM, Black Finish, Compatible For Use with Both Glock and Colt Style Dedicated 9mm AR-15 Lower Receivers For Use with a Standard AR-15 Hammer QPQ Black...

2A Armament, Bolt Carrier Group, Titanium Regulated Bolt Carrier Group, AR Platfrom, Black Finish Grade 5, 6AL-4V Titanium QPQ Nitride Staked Screws Adjustable Gas Regulator The Titanium Reg

CMMG, Bolt Carrier Group M16, 556NATO, Black 8620 Steel Carrier Phosphate Finish 9310 Steel Bolt Complete Mil Spec M16 bolt carrier group.

High quality components and precise manufacturing make Rise Armament parts ideal for maintaining and upgrading firearms. The durability, reliability and excellent build quality of these parts will...

This replacement bolt for any of LWRC rifles chambered in 6.8mm, including both the Six8 line and the legacy M6 rifles with 6.8 SPC barrels. This bolt fits into any Mil-STD carrier and functions...

Lantac 308 Enhanced BCG Nitride - Black High quality components and precise manufacturing make Lantac parts ideal for maintaining and upgrading firearms. The durability, reliability and excellent...

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Just swap this drop in conversion with the bolt carrier group from your 5.56/.223 chambered rifle and you will be ready to shoot .22LR. Ships with One 25rd 22LR magazines. For best performance use a...

Just swap this drop in conversion with the bolt carrier group from your 5.56/.223 chambered rifle and you will be ready to shoot .22LR. Ships with a 10rd Magazine. For best performance use a round...

Just swap this drop in conversion with the bolt carrier group from your 5.56/.223 chambered rifle and you will be ready to shoot .22LR. Ships with a 10rd Magazine. For best performance use a round...

This 9mm AR Bolt Carrier Group (BCG) comes fully assembled and ready to drop into most 9mm AR platform rifles and pistols. The FailZero 9mm BCG is compatible with both lowers designated for Glock or...