Nickel Boron BCGs

When nothing but the best BCG will do, a Nickel Boron BCG from SpiceTac is an excellent choice - whether you're starting a new carbine or rifle build, upgrading your existing AR15, or just need quality spare parts.

See our line of Toolcraft and Fail Zero 5.56/223 Nickel Boron bolt carrier groups in mil-spec Carpenter 158 bolt steel or 9310.