Mil-Spec Carpenter No. 158® Steel Bolt
Shot Peened; Mag Particle Inspected
Chrome Lined Full-Auto Carrier
Chrome Lined Gas Key; Hardened to USGI Specifications
Secured with Grade 8 Hardened Fasteners
Staked Per Mil-Spec
This Toolcraft Bolt is made of Mil-spec Carpenter 158 steel, shot peened, and mag particle inspected. Gas key is chrome lined, phosphate coated, and secured with grade 8 fasteners and staked per mil-spec. Full-auto bolt carrier is phosphate coated and chrome lined. Made in the USA.
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