Complete Toolcraft QPQ / SBN / Black Nitride / Melonite Bolt Carrier Group. Smooth & Protective Nitride coating. This is a solid, reliable M16 BCG.
5.56/223 & 300 Blackout BCG
MPI & HPT Tested
Upgraded Extractor Spring with o-ring
Made in the USA by a Quality Manufacturer (Toolcraft, Inc has a lifetime warranty)