Fail Zero Bolt Carrier Group - 6.8spc Ar-15

Fail zero bolt carrier group 6.8spc ar-15

FEATURES
-Bolt & Extractor (6.8 SPC compatible)
-M16 Cut Bolt Carrier
-Cam Pin
-Carrier Key
-Firing Pin

Other Features: Exo nickel boron treated, drop in install for most mil-spec 6.8spc uppers