AR-15 Complete Bolt Carrier Group
Complete bolt carrier group is made to U.S. Government print for materials,
heat treat, and internal chroming.
Bolt is made from 9310 (unless otherwise noted)
For use with any caliber in the AR-15 platform
Available in the following:
5.56 (bolt is Carpenter 158 MPI)
450 Bushmaster/ 458 SOCOM