Kns Firing Pin Retaining Pin - Perma Ar15/m16 Black

Kns firing pin retaining pin perma ar15/m16 black

FEATURES:
Replaces standard cotter pin found in the bolt carrier to retain the firing pin as in original Stoner rifles
Weight: 0.1 lbs.
Dimensions: 5 x 6 x 0.5"

Other Features: Replaces standard cotter pin found in the bolt carrier to retain the firing pin, does not fit.308 bolt carriers