The PSA Bolt Carrier Group is made in USA. The bolt is made of Mil-spec Carpenter 158 steel, Shot peened, High pressure tested and Mag Particle Inspected. The gas key is machined out of bar stock, chrome lined phosphate coated, and secured with grade 8 fasteners and staked per mil-spec. The Bolt carrier itself is phosphated outside and chrome lined inside. Laser engraved with the PSA logo.
Milspec Carpenter No. 158® steel bolt
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
Palmetto State Armory 5.56 Premium BCG
$69.99
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