Replaces standard cotter pin found in the bolt carrier to retain the firing pin.
- Fits AR-15 Carrier
- NOT for .308
- Retains Firing Pin
KNS PRECISION INC. PERMA PIN FIRING PIN RETAINER
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Replaces standard cotter pin found in the bolt carrier to retain the firing pin.
FREE MERCH & FREE SHIPPING OVER $500
KNS PRECISION INC. PERMA PIN FIRING PIN RETAINERAvailability: 2 in stock