Sons of Liberty Gun Works BOLT CARRIER GROUP – AR-15/M16

The SOLGW Bolt Carrier Group is a mil-spec replacement BCG designed for reliable function in AR-15 and M16 platform rifles. Built to replace worn factory groups or serve as a backup, this BCG delivers consistent cycling and extraction with proper gas-key staking and cam pin engagement. Suitable for standard 5.56 NATO and .223 Remington chamberings.

Machined from 8620 steel with a phosphate finish, the carrier body is MPI tested and properly staked at the gas key. The bolt is Carpenter 158 steel, HPT and MPI tested to ensure integrity under repeated firing cycles. Drop-in installation requires no fitting or modification—disassemble your upper receiver, remove the old BCG, and install this unit following standard AR-15 assembly procedures.

• Part Type: Bolt Carrier Group
• Compatible Firearms: AR-15, M16 (5.56 NATO/.223 Rem)
• Carrier Material: 8620 Steel, MPI Tested
• Bolt Material: Carpenter 158 Steel, HPT/MPI Tested
• Finish: Phosphate
• Gas Key: Properly Staked
• Installation: Drop-In
• Includes: Complete Bolt Carrier Group (bolt, carrier, cam pin, firing pin, retaining pin)