Home / AR Upper Components / SOLGW MIL-SPEC FIRING PIN M4/AR15 “AERO PRECISION 5.56 AR15 BOLT CARRIER GROUP BLACK NITRIDE” 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 SPRINCO ENHANCED CHROME MOLY EJECTOR AND SAFETY SPRING $4.39 Add to cart LBE Unlimited ARBGR – Bolt Gas Rings $2.99 Add to cart Out of stock AERO PRECISION .308/762 BOLT CARRIER GROUP BLACK NITRIDE $234.99 Read more RADIAN RAPTOR AMBIDEXTROUS CHARGING HANDLE AR15/M16/M4 $94.94 – $139.95 Select options This product has multiple variants. The options may be chosen on the product page