Fail Zero

Fail zero bolt carrier group lightweight 5.56mm ar-15

FEATURES
-Bolt & Extractor (5.56/.223 compatible)
-Lightweight Bolt Carrier
-Extractor
-Cam Pin
-Carrier Key
-Firing Pin

Other Features: Semi-auto bcg, exo nickel boron treated, drop in install for most mil-spec ar15 uppers, lightweight 21% lighter

Fail zero bolt carrier group 5.56mm semi-auto ar-15 black

FEATURES
-Bolt & Extractor (5.56/.223 compatible)
-Bolt Carrier
-Extractor
-Cam Pin
-Carrier Key
-Firing Pin
-Black

Other Features: Semi-auto bcg, exo nickel boron treated with black topcoat/exterior, drop in install for most mil-spec ar15 uppers

Fail zero bolt carrier group 5.56mm semi-auto ar-15

FEATURES
-Bolt & Extractor (5.56/.223 compatible)
-Bolt Carrier
-Extractor
-Cam Pin
-Carrier Key
-Firing Pin

Other Features: Semi-auto bcg, exo nickel boron treated, drop in install for most mil-spec ar15 uppers

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