That is the reason I bought mine. I needed the BCG and the Vortex was icing on the cake. The description is just like the Premium BCG on the website for $149 alone and looks like it is copied from there.
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.
Black Extractor Insert