Fail Zero Bolt Carrier Group - .224 Valkyrie Ar-15

Fail zero bolt carrier group.224 valkyrie ar-15

FEATURES
-Bolt & Extractor (.224 Valkyrie & 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.224 valkyrie uppers