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 milspec standards for performance, reliability, and durability.
Type: .223/5.56 NATO AR15/M16 (full auto) Bolt: Case hardened 9310 steel, shot peened w/ black nitride finish
Carrier: Billet machined case hardened 8620 steel w/ black nitride finish
Gas Key: 4130 steel, attached using Grade 8 hardware and proper staking techniques
This high quality bolt carrier group is a valuable addition to your AR15 build.
Features:
M16 Carrier Machined from 8620
5.56 Bolt Machined from 9310
Forged Gas Key Properly Staked
Tool Steel...
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...
DLC Finish on Outer Wear Surfaces, Phosphate Extractor and Phosphate/CL Gas Key with OCKS Carrier Key Screws.
Microbest is one of the finest manufacturers of mil-spec bolt carrier groups for...
Limited Run w/ OCKS Carrier Key Screws
Microbest is one of the finest manufacturers of mil-spec bolt carrier groups for the military and small arms manufacturers. These are individually High Pressure...
Your bolt carrier group is one of the most critical parts of your build. Don’t buy an imitation. This is the same BCG Spike's uses on their builds.This bolt carrier group is a quality addition to...
Limited Run w/ OCKS Carrier Key Screws
Nitride BCGs without OCKS can be found here
Microbest is one of the finest manufacturers of mil-spec bolt carrier groups for the military and small arms m
The Daniel Defense M16 Cut Complete Bolt Carrier Group is a MIL-SPEC, full auto compatible, M16 profile bolt carrier group assembly. The 8620 steel carrier and Carpenter 158 steel bolt assembly have...
Aero's upgraded nickel boron bolt carrier group is an eye catching addition to your AR build. Mil-spec dimensions and coating ensure the highest quality and correct component interface...