Sons of Liberty Gun Works Bolt Carrier Group 5.56 w/ OCKS Screws

Sons of Liberty Gun Works Bolt Carrier Group 5.56 with OCKS Screws

The Sons of Liberty Gun Works Bolt Carrier Group delivers premium reliability and durability as the heart of any AR-platform build, available now at Battlehawk Armory. Precision machined and rigorously tested, this full-auto profile BCG is compatible with 5.56 NATO, .300 Blackout, 6mm ARC, and .350 Legend cartridges. Enhanced with OCKS (Optimized Carrier Key Screws) for superior gas key security and peace of mind.

The Carpenter 158 bolt is heat treated, shot peened, high-pressure tested, and magnetic particle inspected, with deep laser engravings confirming each process. The extractor is machined from 4340 tool steel with a Sprinco 5-coil chrome silicon spring and elastomer buffer. The 8620 carrier features a hard-chrome bore, manganese phosphate finish, and laser-engraved Battle Flag logo. Chrome-lined gas key, hard-chrome firing pin, and meticulously processed cam pin, ejector, and retaining pins complete this high-end assembly.

Built to the exacting standards that have earned Sons of Liberty Gun Works a reputation for quality and backed by their lifetime warranty. Add the Sons of Liberty Gun Works Bolt Carrier Group with OCKS Screws to your collection at Battlehawk Armory today.

Specifications

• Manufacturer: Sons of Liberty Gun Works
• Model: Bolt Carrier Group with OCKS Screws
• Compatible Cartridges: 5.56 NATO, .300 Blackout, 6mm ARC, .350 Legend
• Bolt Material: Carpenter 158 Chrome-Nickel Alloy
• Bolt Testing: HP/MPI, Shot Peened, Full Auto Test Fired
• Extractor: 4340 Tool Steel with Sprinco 5-Coil Spring
• Carrier: AISI 8620, Full Auto Profile, Hard Chrome Bore
• Gas Key: 4130 Chromoly, Hard Chrome Internal, OCKS Screws
• Firing Pin: 8640 Steel, Hard Chrome Plated
• Finish: Manganese Phosphate
• Additional: Laser Engraved Markings, Lifetime Warranty