Home / AR Upper Components / KNS PRECISION INC PERMA PIN FIRING PIN RETAINER View cart “SPRINCO ENHANCED CHROME MOLY EJECTOR AND SAFETY SPRING” 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 Bravo Company Manufacturing GUNFIGHTER Charging Handle 556 Mod 3B – Large Latch $74.95 Add to cart BADGER ORDINANCE Universal Safety Selector $58.00 Add to cart Out of stock SIONICS Gas Tube W/Roll Pin – Melonite – Midlength $16.95 Read more Bravo Company Manufacturing GUNFIGHTER Charging Handle 556 Mod 4B – Medium Latch $74.95 Add to cart