Home / Products / Sons Of Liberty Gun Works / Sons of Liberty Gun Works Bolt Carrier Group 5.56 w/ OCKS Screws
Sons of Liberty Gun Works Bolt Carrier Group 5.56 w/ OCKS Screws
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Aug 26, 2026
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Sons of Liberty Gun Works Bolt Carrier Group 5.56 with OCKS ScrewsThe Sons of Liberty Gun Works Bolt Carrier Group delivers premium reliability and durability as the heart of any AR-platform build, available now at ARMSAGORA's retailers. 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 ARMSAGORA's retailers today.SpecificationsManufacturer: Sons of Liberty Gun WorksModel: Bolt Carrier Group with OCKS ScrewsCompatible Cartridges: 5.56 NATO, .300 Blackout, 6mm ARC, .350 LegendBolt Material: Carpenter 158 Chrome-Nickel AlloyBolt Testing: HP/MPI, Shot Peened, Full Auto Test FiredExtractor: 4340 Tool Steel with Sprinco 5-Coil SpringCarrier: AISI 8620, Full Auto Profile, Hard Chrome BoreGas Key: 4130 Chromoly, Hard Chrome Internal, OCKS ScrewsFiring Pin: 8640 Steel, Hard Chrome PlatedFinish: Manganese PhosphateAdditional: Laser Engraved Markings, Lifetime Warranty
