{"product_id":"spikes-st15-calico-jack-ar-15-multi-caliber-stripped-lower-black-hardcoat-anodized","title":"Spikes ST15 Calico Jack AR-15 Multi-Caliber Stripped Lower - Black Hardcoat Anodized","description":"\u003cp\u003e\u003cspan style=\"font-size: 14pt;\"\u003eThe \u003cstrong\u003e\u003cspan style=\"background-color: #ffff00;\"\u003eSpikes ST15 Calico Jack\u003c\/span\u003e\u003c\/strong\u003e is a stripped \u003cstrong\u003eAR-15 lower receiver\u003c\/strong\u003e forged from \u003cstrong\u003e7075-T6 aluminum\u003c\/strong\u003e and finished in a rugged \u003cstrong\u003eblack hardcoat anodized\u003c\/strong\u003e coating. Stamped with the signature \u003cstrong\u003eCalico Jack pirate logo\u003c\/strong\u003e, this multi-caliber lower gives builders a clean foundation for a custom AR-platform project and accepts common AR calibers such as \u003cstrong\u003e5.56 NATO\u003c\/strong\u003e.\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan style=\"font-size: 14pt;\"\u003eDesigned as a true stripped lower, the STLS016 ships without a trigger group or other internal small parts, leaving component selection entirely up to the builder. The receiver is configured as a \u003cstrong\u003elow shelf\u003c\/strong\u003e lower and is \u003cstrong\u003eRDIAS compatible\u003c\/strong\u003e for those running registered drop-in auto sear setups where legally permitted.\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan style=\"font-size: 14pt;\"\u003eConstructed from \u003cstrong\u003e7075-T6 forged aluminum\u003c\/strong\u003e and protected by a \u003cstrong\u003eblack hardcoat anodized\u003c\/strong\u003e finish, the Calico Jack lower delivers the strength and corrosion resistance expected of a duty-grade AR receiver. Whether you are assembling a lightweight carbine, a pistol-caliber build, or a precision rifle, this stripped lower provides the durable backbone your build needs.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"font-size: 14pt;\"\u003e\u003cstrong\u003e\u003cspan style=\"background-color: #ffff00;\"\u003eDISCLAIMER:\u003c\/span\u003e\u003c\/strong\u003e Firearms and receivers are subject to state-specific shipping restrictions and must be transferred through a valid FFL dealer. Please visit \u003ca href=\"\/shipping-restrictions\/\" target=\"_blank\"\u003eour shipping restrictions page\u003c\/a\u003e to review all applicable restrictions for your state. Subject to change.\u003c\/span\u003e\u003c\/p\u003e","brand":"Spikes","offers":[{"title":"Default Title","offer_id":55169454997826,"sku":"99772","price":84.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0997\/7921\/5682\/files\/hires_2c13b644-2754-4abb-adbb-9843705c5266.png?v=1784905527","url":"https:\/\/centerfiresystems.com\/products\/spikes-st15-calico-jack-ar-15-multi-caliber-stripped-lower-black-hardcoat-anodized","provider":"Centerfire Systems","version":"1.0","type":"link"}