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Why customers choose this item
✓556 NATO bolt carrier group
✓Full auto rated profile
✓Carpenter 158 steel bolt
✓8620 steel carrier body
✓Manganese phosphate finish
✓Black finish carrier
Product highlights
Bolt carrier group designed for AR platform rifles chambered in 223 Remington and 556 NATO
Full auto rated carrier supports reliable cycling and operation under demanding firing conditions
Bolt machined from Carpenter 158 chrome nickel alloy for strength and long term durability
Carrier constructed from AISI 8620 steel with manganese phosphate finish for corrosion resistance
Precision machined components support consistent locking unlocking extraction and ejection functions
Deep laser engraved logo provides clear identification without affecting functional performance
Product description
The Sons of Liberty Gun Works Bolt Carrier Group 556 is a bolt carrier group designed for AR-15 rifles chambered in 223 Remington and 5.56 NATO. This bolt carrier group uses a manganese phosphate finish with a full auto profile for standard AR platform operation. It is built from Carpenter 158 steel for the bolt and AISI 8620 steel for the carrier.
The Sons of Liberty Gun Works Bolt Carrier Group 556 features precision machined components and a black manganese phosphate finish for corrosion resistance. This model supports standard AR-15 compatibility and includes a full auto rated carrier design. The bolt is manufactured from Carpenter 158 alloy while the carrier uses aircraft quality AISI 8620 steel. This product is used for rifle builds and maintenance where a complete bolt carrier group is required for reliable cycling.
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