AR15 Parts and Accessories by M&A Parts

Complete M16 Bolt Carrier Group:

• Fully assembled Bolt Carrier Group; including the bolt, bolt carrier, gas key, firing pin, cam pin, and firing pin retaining pin
• Every Bolt is Magnetic Particle Inspected (MPI)
• The Bolt is machined from Carpenter 158 steel
• Following machining, the Bolt is heat treated and shot peened
• M16 Bolt Carrier is machined from 8620 steel and hardened
• Interior of Bolt Carrier Carrier Key & Bolt Carrier are chrome lined on the M16 Phosphate Bolt Carrier Group only
• M16 Bolt Carrier will function in semi-auto or full-auto AR-15/M16
• Gas Key Screws are properly torqued and staked
• Bolt and Bolt Carrier feature a matte black mil-spec finish