Home / AR Upper Components / KNS PRECISION INC PERMA PIN FIRING PIN RETAINER KNS PRECISION INC PERMA PIN FIRING PIN RETAINER$10.00 2 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 SOLGW Gas Block Low Profile .750 w/ Set screws – V2 $45.00 Read more Out of stock Bravo Company Manufacturing GUNFIGHTER Charging Handle 556 Mod 4B – Medium Latch $74.95 Read more Out of stock SPRINCO M4/AR-15 EXTRA POWER EXTRACTOR SPRING 5 COIL, CRYOGENIC PROCESSED $3.95 Read more Out of stock FORWARD CONTROLS DESIGN LDFA-AA LOW DRAG FORWARD ASSIST BLACK NITRIDE DIMPLED $39.99 Read more