Anyone have any experience with the linked Aim Surplus BCG? (Black Nitride)
http://www.aimsurplus.com/product.a...OUT+AR/M16+C158+Bolt+Carrier+Group&search=bcg
or this one?
http://www.aimsurplus.com/product.aspx?item=XAIMBCGNIBBDG
http://www.aimsurplus.com/product.a...OUT+AR/M16+C158+Bolt+Carrier+Group&search=bcg
or this one?
http://www.aimsurplus.com/product.aspx?item=XAIMBCGNIBBDG