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5.56/300BO Phosphate Full Auto Profile BCG
Original price was: $120.00.$110.00Current price is: $110.00.
Full Auto Profile BCG
1 in stock (can be backordered)
Description
Made in USA. Bolt is made of Mil-spec Carpenter 158 steel, Shot peened, High pressure tested and Mag Particle Inspected. Gas key is machined out of bar stock, chrome lined phosphate coated, and secured with grade 8 fasteners and staked per mil-spec. Bolt carrier is phosphated outside and chrome lined inside.
These are the perfect replacement for bolt carrier groups that are missing the required metal for operating the Super Safety. For example, Smith & Wesson and Stag Arms AR-15 variants use this “commercial” type of bolt carrier group vs. a “full auto profile.”
We have these in stock and ready for install with your Super Safety Install Package.
Details
Milspec Carpenter No. 158® steel bolt
Can be used with 5.56 or 300AAC Blackout
Shot Peened Bolt
High pressure tested
Mag particle inspected
Chrome Lined Carrier (AUTO)
Chrome Lined Gas Key
Gas Key Hardened to USGI Specifications
Gas Key Grade 8 Hardened Fasteners
Gas Key Staked Per Mil-Spec
Tool Steel Extractor
Extractor Spring
Extractor O-ring Insert
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