Home / AR Upper Components / KNS PRECISION INC PERMA PIN FIRING PIN RETAINER “LBE Unlimited ARBGR – Bolt Gas Rings” 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 BADGER ORDINANCE Universal Safety Selector $58.00 Add to cart Out of stock SIONICS Upper Receiver Parts Kit $29.95 Read more Out of stock FORWARD CONTROLS DESIGN LDFA-AA LOW DRAG FORWARD ASSIST BLACK NITRIDE DIMPLED $39.99 Read more Out of stock Bravo Company Manufacturing BCMGUNFIGHTER Ambidextrous Charging Handle Mod 4×4 – Medium Latch $79.95 Read more