This M16 / AR-15 complete bolt carrier group features a parkerized exterior with chrome interior for gas key and carrier. Carrier is made from 8620 steel, bolt is made from 9310 steel and is MPI tested and shot peened. The Bolt and Bolt Carrier Assembly comes complete with cam pin, firing pin, and firing pin retainer. This bolt carrier group will work with any mil-spec AR-15. Bolt is marked MPI. All Tom's Tactical brand products include a lifetime warranty.

Features

• Works with .223, 5.56 and .300blk
  
• Bolt is made from 9310 steel and MPI tested and shot peened
  
• Carrier is M16 AUTO Auto design, fully shrouded and made from 8620 steel
  
• Firing pin is hard chrome
• Chrome lined gas key and carrier interior
  
• Gas key is machined from 4140 steel and is properly staked
• D2 Hardened steel extractor with extractor spring and polymer insert
• Mil-spec gas rings
• Made in USA
• Lifetime Warranty