Mil-Spec BCG is Heat Treated then Ground, Black Nitride Coated and the Firing Pin is Center-Less Gro..
Standard Bolt Carrier Cam Pin for AR15 or M16. ..
The enhanced bolt carrier is designed to reduce carrier tilt/cant during recoil and increasing relia..
Looking for a reliable BCG? Look no further. Our Mil-Spec BCG is Heat Treated then Ground, Black Nit..