Freedom Forge Armory Bolt and carrier group.
Each of our Mil-Spec Bolt Carrier Group Assemblies is made in the U.S.A. and feature full-auto capability, a shot peened MPI Bolt, 8620 Gas Carrier and Gas Key fastened with hardened Grade 8 fasteners that are properly steaked. The ultra-hard and corrosion-resistant Black Nitride ensures this BCG's continued reliability and precision.
M16 Style (Full Auto)
Heat Treated Steel
Shot Peened MPI Bolt - 9310 material
8620 Gas Carrier
Ultra Hard Black Nitride Finish
Fits: JR-15S2 / E2 / SPR / SPR MATCH
All new bolts and barrels should be properly headspaced and timed by a competent gunsmith.