PSA Freedom Bolt Carrier Group
Bolt is made of Mil-spec Carpenter 158 steel high pressure tested and mag partical inspected, Shot peened, Mag Particle Inspected. Gas key is chrome lined, phosphate coated, and secured with grade 8 fasteners and staked per mil-spec. Bolt carrier is phosphated outside and chrome lined inside. Made in the USA
Bolt is marked "MP"
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.