{"product_id":"tango-uniform-echo-zulu-castle-nut","title":"Tango Uniform Echo Zulu Castle Nut","description":"\u003cp\u003e\u003cspan\u003eStake your AR’s castle nuts faster, safer, \u0026amp; more consistently with Tango Uniform’s new Echo Zulu Castle Nut System. \u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThe patent pending EZ castle nut is made from premium 4140 PH alloy steel and finished in long duration, diamond hard black nitride. It was precision machined on a modern Swiss CNC lathe, to tolerances that meet or exceed the mil-spec TDP, including true class 3 threads. The EZ castle nut features eight co-linear wrench \u0026amp; staking notches, allowing for easier visual alignment, and multiple staking locations with even the largest end plates.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"color: rgb(43, 0, 255);\"\u003e\u003ca style=\"color: rgb(43, 0, 255);\" href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0961\/3937\/8964\/files\/EZCN-SK1_-_INSTRUCTIONS_-_FOR_WEBSITE.pdf?v=1764369136\"\u003e\u003cstrong\u003eINSTRUCTIONS\u003c\/strong\u003e\u003c\/a\u003e\u003c\/span\u003e\u003c\/p\u003e","brand":"Tango Uniform","offers":[{"title":"Default Title","offer_id":51717345870100,"sku":null,"price":20.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0961\/3937\/8964\/files\/EZCN-SK1-04_32837843-8d9c-4de0-a917-5e0f991c6367.jpg?v=1764369697","url":"https:\/\/nefariousarms.com\/products\/tango-uniform-echo-zulu-castle-nut","provider":"Nefarious Arms","version":"1.0","type":"link"}