Home / AR Upper Components / KNS PRECISION INC PERMA PIN FIRING PIN RETAINER View cart “SOLGW GAS TUBE NITRIDE PISTOL LENGTH” 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 SIONICS Gas Tube W/Roll Pin – Melonite – Midlength $16.95 Read more RADIAN RAPTOR AR10/SR25 CHARGE HANDLE $119.95 – $128.20 Select options FORWARD CONTROLS DESIGN LDFA-A LOW DRAG FORWARD ASSIST BLACK NITRIDE SERRATED $39.99 Add to cart BADGER ORDINANCE Universal Safety Selector $58.00 Add to cart