Home / AR Upper Components / SOLGW MIL-SPEC FIRING PIN RETAINER COTTER PIN M4/AR15 You cannot add "SOLGW AMBI SAFETY SELECTOR KIT" to the cart because the product is out of stock. Out of stock SOLGW MIL-SPEC FIRING PIN RETAINER COTTER PIN M4/AR15$3.79 Out of stock Want to be notified when this product is back in stock? Notify me UPC: 785939517927 SKU: FIRINGPINRETAINERM4 Category: AR Upper Components Tag: solgw Product ID: 16090 Description Description SOLGW MIL SPEC FIRING PIN RETAINER COTTER PIN M4/AR15 You may also like… Out of stock SOLGW AMBI SAFETY SELECTOR KIT $28.50 Read more Related products LBE Unlimited ARBGR – Bolt Gas Rings $2.99 Add to cart RADIAN RAPTOR AMBIDEXTROUS CHARGING HANDLE AR15/M16/M4 $94.94 – $129.95 Select options FORWARD CONTROLS DESIGN LDFA-AA LOW DRAG FORWARD ASSIST BLACK NITRIDE DIMPLED $39.99 Add to cart LBE Unlimited ARFPN – Firing Pin $7.95 Add to cart