“LUTH AR BUFFER RETAINER W/SPG 10PK” has been added to your cart. View cart HomeGun PartsAR15 PartsSmall AR15 PartsKNS AR15 FIRING PIN RETAINING PINKNS AR15 FIRING PIN RETAINING PIN$10.00 KNS AR15 FIRING PIN RETAINING PIN 132 in stock KNS AR15 FIRING PIN RETAINING PIN quantity Buy now Add to WishlistRemove from Wishlist Add to Wishlist SKU: RSR|KNSPERMA Category: Small AR15 Parts Product ID: 52361 Description Replaces standard cotter pin found in the bolt carrier to retain the firing pin. Related products Add to WishlistRemove from Wishlist Add to Wishlist KDG M-LOK 7 SLOT PIC RAIL BLK $11.08 Buy now Add to WishlistRemove from Wishlist Add to Wishlist LUTH AR TAKEDOWN PIN DETENT W/SPG 10 $19.26 Buy now Add to WishlistRemove from Wishlist Add to Wishlist CMMG PART KIT AR15 LOWER PINS/SPRING $12.84 Buy now