Bolt Carrier Groups

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

Machined from 4140, Nitride Coating, MIL-SPEC configuration, Staked MIL-SPEC Gas Key, Full Auto Rated. Bootleg, 5.56 Lightweight Bolt Carrier Group, Machined from 4140, Nitride Coating, Mil Spec Configuration, Staked Mil Spec Gas Key Nitride...

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...

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 you can count on. LanTac USA LLC,...

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...

  5.56 Bolt Carrier Group --Black Phosphate Finish --Mil-Spec --Shot peened & MP tested bolt --Full Auto carrier w/staked carrier key

  The Enhanced Bolt Carrier Group for AR15/M16 platform weapons was designed to minimize carrier tilt and reduce friction inside the upper receiver by relocating key bearing surfaces. All materials, tolerances, and coatings meet or exceed...

  The SureFire OBC is designed to greatly increase the reliability of an M4/M16/AR variant during both unsuppressed and suppressed firing. The OBC comes as a package with the OBC bolt carrer group as well as buffer and buffer spring. This patented...

Stripped carrier is finished in an Ion Bonded Flat Dark Earth. Lowers friction and cleans easier.BCM® (MPI) complete bolt carrier group is fully assembled. (BCG) Bolt carrier group (auto version) for your AR15, M16, or M4. Parkerized exterior and...

  The Knight’s Armament SR-15/SR-16 Chrome Sand Cutter Bolt Carrier comes with grooves machined into the carrier, to allow for free movement and operation in extremely adverse conditions.  Similar in concept to the sand cutting...