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Posted December 5, 2018 8:00 pm by R.P. Mcmurphy Comments
PSA 5.56 Premium Full Auto Bolt Carrier Group Video Reviews:
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. Laser engraved with the PSA logo.
For packaging considerations, BCG will be packed dry. As a result, it will have a grey, dusty appearance that will turn black with the application of CLP or other preferred lubricant.
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