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$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 FORWARD CONTROLS DESIGN LDFA-A LOW DRAG FORWARD ASSIST BLACK NITRIDE SERRATED $39.99 Read more RADIAN RAPTOR-SD AR15/M16 GAS VENTED CHARGE HANDLE $124.94 – $139.95 Select options This product has multiple variants. The options may be chosen on the product page LBE Unlimited ARFPN – Firing Pin $7.95 Add to cart Out of stock Bravo Company Manufacturing BCMGUNFIGHTER Ambidextrous Charging Handle Mod 4×4 – Medium Latch $79.95 Read more