{"product_id":"spikes-st-15-enhanced-complete-upper-5-56x45mm-nato-16-1-7-mid-length-12-sar3-handguard","title":"Spikes ST-15 Enhanced Complete Upper 5.56x45mm NATO 16\" 1:7 Mid-Length - 12\" SAR3 Handguard","description":"\u003cp\u003e\u003cspan style=\"font-size: 14pt;\"\u003eThe \u003cstrong\u003e\u003cspan style=\"background-color: #ffff00;\"\u003eSpikes ST-15 Enhanced Complete Upper\u003c\/span\u003e\u003c\/strong\u003e is a mil-spec upper receiver assembly for the \u003cstrong\u003e\u003cspan style=\"background-color: #ffff00;\"\u003e5.56x45mm NATO\u003c\/span\u003e\u003c\/strong\u003e AR-15 platform. It pairs a \u003cstrong\u003e16\" mid-length cold hammer forged barrel\u003c\/strong\u003e with a \u003cstrong\u003e1:7\" twist\u003c\/strong\u003e and a \u003cstrong\u003eblack phosphate\u003c\/strong\u003e finish, giving shooters a duty-grade foundation for a new build or a precision-driven replacement for a worn upper.\u003c\/span\u003e\u003c\/p\u003e\\n\u003cp\u003e\u003cspan style=\"font-size: 14pt;\"\u003eThe \u003cstrong\u003e7075-T6 aluminum\u003c\/strong\u003e upper receiver wears a \u003cstrong\u003eblack\u003c\/strong\u003e finish and ships \u003cstrong\u003eoptic ready\u003c\/strong\u003e, with no iron sights installed so the end user can configure their preferred optic or co-witness setup. The included \u003cstrong\u003e12\" SAR3 free-floating handguard\u003c\/strong\u003e provides a rigid, lightweight platform that does not contact the barrel, helping the cold hammer forged bore maintain its accuracy shot after shot.\u003c\/span\u003e\u003c\/p\u003e\\n\u003cp\u003e\u003cspan style=\"font-size: 14pt;\"\u003eDesigned as a direct replacement upper for any mil-spec AR-15 lower, the ST-15 Enhanced line is built to the same standards Spikes Tactical supplies to law enforcement customers. The mid-length gas system smooths out the recoil impulse and reduces felt wear compared to carbine-length setups, making this upper a strong fit for defensive, patrol, and recreational range use.\u003c\/span\u003e\u003c\/p\u003e","brand":"Spikes","offers":[{"title":"Default Title","offer_id":55002339475778,"sku":"99748","price":744.99,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0997\/7921\/5682\/files\/hires_3a2eb898-391a-4803-895e-234761a263ab.png?v=1784528733","url":"https:\/\/centerfiresystems.com\/products\/spikes-st-15-enhanced-complete-upper-5-56x45mm-nato-16-1-7-mid-length-12-sar3-handguard","provider":"Centerfire Systems","version":"1.0","type":"link"}