Bolt Carrier Groups

The heart of a reliable AR-15 build is a quality 5.56 bolt carrier group assembly. These are the same high quality BCG's Angstadt makes for law enforcement and military groups around the world. Machined to mil-spec dimensions and finished in a beautiful...

BCG components are NiB-X coated and polished to reduce fouling adherence. Coating is guaranteed for life against chipping, spalling or flaking. Over 30K rounds in Government protocol endurance testing did not wear the coating off. Especially beneficial...

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

Your Bolt Carrier Group is one of the most critical parts of your build. Don't buy an imitation. This is the Spike's Tactical BCG with Nickel Boron Coating. Nickel Boron Coating Inside and Out (Bolt, Carrier, and Gas Key) Laser Engraved with ST...

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...

LanTac USA Enhanced BCG Full Auto 5.56 Black M16 Full Auto Style for increased mass and lock time.Our BCG is precision machined from 8620 steel with a shot peened bolt manufactured from Carpenter 158 and Magnetically Particle Inspected. The entire...

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...

JP Enterprises AR-15 Titanium Firing Pin  

  JP .223 Enhanced Gas Rings As a replacement for traditional three-piece gas rings, the JPEGR-223 utilizes a one-piece design similar to the McFarland rings. Unlike the McFarland rings, though, our precision-ground gas rings are engineered to...

JP VMOS™ Bolt Carrier Large-Frame (.308) Stainless Steel QPQ Black Finish Heavy Version Cycling problems? The VMOS™ brings the discipline your rifle needs. For difficult setups like suppressed rifles and exotic caliber chamberings, some...