Home / AR Upper Components / KNS PRECISION INC PERMA PIN FIRING PIN RETAINER 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 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 Out of stock FORWARD CONTROLS DESIGN LDFA-A LOW DRAG FORWARD ASSIST BLACK NITRIDE SERRATED $39.99 Read more Bravo Company Manufacturing Low Profile Gas Block – .750″ – Set Screw Style $44.95 Add to cart LBE Unlimited ARFPN – Firing Pin $7.95 Add to cart