Home / AR Upper Components / SOLGW MIL-SPEC FIRING PIN M4/AR15 “CMMG EJECTION PORT COVER KIT MK3” has been added to your cart. View cart Out of stock SOLGW MIL-SPEC FIRING PIN M4/AR15$12.34 Out of stock Want to be notified when this product is back in stock? Notify me UPC: 785939517910 SKU: M4FIRINGPIN Category: AR Upper Components Tag: solgw Product ID: 15326 Description Description . Related products Bravo Company Manufacturing GUNFIGHTER Charging Handle 556 Mod 3B – Large Latch $74.95 Add to cart BCM LOW PROFILE GAS BLOCK 625 $44.95 Add to cart SOLGW Gas Block Low Profile .750 w/ Set screws – V2 $45.00 Add to cart LBE Unlimited ARFPN – Firing Pin $7.95 Add to cart