Home / AR Upper Components / KNS PRECISION INC PERMA PIN FIRING PIN RETAINER “KNS PRECISION INC PERMA PIN FIRING PIN RETAINER” has been added to your cart. View cart “KNS PRECISION INC PERMA PIN FIRING PIN RETAINER” has been added to your cart. View cart KNS PRECISION INC PERMA PIN FIRING PIN RETAINER$10.00 4 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 Bravo Company Manufacturing BCMGUNFIGHTER Ambidextrous Charging Handle Mod 4×4 – Medium Latch $79.95 Read more BCM LOW PROFILE GAS BLOCK 625 $44.95 Add to cart LBE Unlimited ARBGR – Bolt Gas Rings $2.99 Add to cart Bravo Company Manufacturing Low Profile Gas Block – .750″ – Set Screw Style $44.95 Add to cart