{"product_id":"american-built-arms-company-ar-15-firing-pin-5-56mm-chrome-mil-spec","title":"American Built Arms Company AR-15 Firing Pin 5.56mm Chrome Mil-Spec","description":"\u003cp\u003e\u003cspan style=\"font-size: 14pt;\"\u003eThe \u003cstrong\u003e\u003cspan style=\"background-color: #ffff00;\"\u003eAmerican Built Arms Company AR-15 Firing Pin\u003c\/span\u003e\u003c\/strong\u003e is a Mil-Spec replacement firing pin machined from \u003cstrong\u003e8740 steel\u003c\/strong\u003e and finished in a corrosion-resistant \u003cstrong\u003echrome\u003c\/strong\u003e plating. Built as a direct-fit, mil-spec replacement for worn, damaged, or lost factory pins, this component drops into standard AR-15 bolt carrier groups without any modification, restoring reliable primer strike on duty, competition, and recreational rifles alike.\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan style=\"font-size: 14pt;\"\u003eVersatility is a key feature of this pin: while designed around the \u003cstrong\u003e\u003cspan style=\"background-color: #ffff00;\"\u003e5.56 NATO\u003c\/span\u003e\u003c\/strong\u003e chambering, the same AR-15 bolt carrier geometry also supports \u003cstrong\u003e.223 Remington\u003c\/strong\u003e and \u003cstrong\u003e.300 AAC Blackout\u003c\/strong\u003e builds, so this single firing pin covers the three most common AR-15 cartridges. Whether you are performing routine field maintenance on a duty rifle, finishing out a custom build, or stocking spares for an armorer's kit, this pin delivers the consistent ignition strike needed for dependable primer detonation.\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan style=\"font-size: 14pt;\"\u003eManufactured by \u003cstrong\u003eAmerican Built Arms Company\u003c\/strong\u003e to AR-15 Mil-Spec dimensions, the firing pin is dimensioned at \u003cstrong\u003e1.55 x 2.70 x 3.60 inches\u003c\/strong\u003e and weighs just \u003cstrong\u003e0.05 lbs\u003c\/strong\u003e. The chrome plating holds up to field use, repeated cleaning with standard solvents, and long-term storage without pitting or corrosion. Sold as a single small part, it is a smart, low-cost insurance item for any AR-15 armorer, builder, or range-goer who wants a quality factory-style firing pin on hand.\u003c\/span\u003e\u003c\/p\u003e","brand":"American Built Arms Company","offers":[{"title":"Default Title","offer_id":55342571848002,"sku":"ZABAMSFP","price":10.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0997\/7921\/5682\/files\/alt_56a8cad5-f408-459f-8cbb-660035c0a32a.jpg?v=1785179971","url":"https:\/\/centerfiresystems.com\/products\/american-built-arms-company-ar-15-firing-pin-5-56mm-chrome-mil-spec","provider":"Centerfire Systems","version":"1.0","type":"link"}