Home / AR Upper Components / KNS PRECISION INC PERMA PIN FIRING PIN RETAINER View cart “FORWARD CONTROLS DESIGN LDFA-AA LOW DRAG FORWARD ASSIST BLACK NITRIDE DIMPLED” has been added to your cart. KNS PRECISION INC PERMA PIN FIRING PIN RETAINER$10.00 1 in stock [] KNS PRECISION INC PERMA PIN FIRING PIN RETAINER quantity Add to cart UPC: 851876003011 SKU: PERMA Category: AR Upper Components Product ID: 3461 Description Description Replaces standard cotter pin found in the bolt carrier to retain the firing pin as in original Stoner rifles. ***DOES NOT FIT .308 BOLT CARRIERS*** You may also like… KNS PRECISION INC PERMA PIN FIRING PIN RETAINER $10.00 Add to cart Related products Out of stock RADIAN RAPTOR SD-SL CHARGE HANDLE AR15/M16 $113.95 Read more RADIAN RAPTOR-SD AR15/M16 GAS VENTED CHARGE HANDLE $124.94 – $129.95 Select options SOLGW GAS TUBE NITRIDE MID LENGTH $19.00 Add to cart LBE Unlimited ARFPN – Firing Pin $7.95 Add to cart