M16 5.56/.223 Complete Bolt and Carrier Group Micro Slick
M16 5.56/.223 Complete Bolt and Carrier Group is chrome lined, made from 8620 steel, Bolt is made from 9310 steel and coated per mil spec. MPI Tested. The 223 Bolt and Bolt Carrier Assembly comes complete with cam pin , firing pin and firing pin retainer. These BCGs have been coated with Cerakote's Micro Slick Dry Lube.