Bolt Carrier Groups

This high quality bolt carrier group is a valuable addition to your AR15 build. Features: M16-cut carrier Machined from 8620 Tool Steel (Carrier) and 9310 Steel (Bolt) Carrier has forward assist serrations Black Nitride Finish - advanced lower...

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 build quality of these parts will ensure years of service...

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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 round style hammer as notched hammers can cause...

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 style hammer as notched hammers can cause function issues...

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 style hammer as notched hammers can cause function issues...

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 Colt magazines. All critical parts are coated with EXO...

Roller Cam Pin with modified Gas Key for direct impingement-type rifles. Patriot Ordnance Factory, Roller Cam Pin Kit, For 223/AR15, Black Fits .223/5.56 For Direct Impingement-Type Rifles

High quality components and precise manufacturing make 2A 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. 2A Armament, Builders...

WMD Guns NiB-X .308 DPMS Style Bolt Carrier Group  The NiB-X .308 Bolt Carrier Group provides long life and easy cleaning in the harshest of environments. DPMS compatible. Easy Cleaning and Maintenance Heat Treated Reduced Fouling Adherence

CMMG AR 22L Conversion Kit - Bravo 3 Mags 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 Three 25rd 22LR magazines. For best performance use a round...

Noveske marked with a black nitride finish. Carrier features 8620 steel with 158 Carpenter Steel bolt and 9310 tool steel extractor and cam pin. Much more than typical Parkerizing, phosphating or black oxide, Blacknitriding℠ is a thermal chemical...