Home / AR Upper Components / SOLGW MIL-SPEC FIRING PIN RETAINER COTTER PIN M4/AR15 View cart “LBE Unlimited ARFPN – Firing Pin” has been added to your cart. 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 SOLGW GAS TUBE NITRIDE CARBINE LENGTH $19.00 Add to cart Bravo Company Manufacturing GUNFIGHTER Charging Handle 556 Mod 3B – Large Latch $74.95 Add to cart Out of stock SIONICS Gas Tube W/Roll Pin – Melonite – Midlength $16.95 Read more Out of stock RADIAN RAPTOR SD-SL CHARGE HANDLE AR15/M16 $113.95 Read more