PSA 5.56 Premium HPT/MPI Full Auto Bolt Carrier Group - No Logo

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.  There is no laser engraved logo. Features: 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 SKU 39339 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.