Spikes Tactical BCG is a great choice for the discerning marksman. The carrier group is made from Mil-Spec 8620 tool steel, and features a shrouded firing pin. Finished inside and out with a 5.3.1.2 MIL-STD-171 phosphate finish, and also has a hard chrome bore.

Features: 

• Complete Bolt Carrier Group
• .223 REM/5.56 NATO/.300 AAC BLACKOUT
• Mil-Spec tool steel carrier key
• Grade 8 hardware
• Properly staked carrier key
• Bolts are CNC machined from Carpenter No. 158
• All bolts are shot peened per the current Mil-Spec
• Individually High Pressure Tested (HPT) and then Individually Magnetic Particle Inspected (MPI)
• Tool steel extractor
• Mil-Spec hard chrome firing pin