{"title":"AR-15 Castle Nuts","description":null,"products":[{"product_id":"tapco-castle-nut","title":"Tapco Castle Nut","description":"TAPCO CASTLE NUT\u003cbr\u003e\u003cbr\u003e","brand":"Tapco","offers":[{"title":"Retail","offer_id":44450761605257,"sku":"TPTAP22060","price":9.49,"currency_code":"USD","in_stock":true},{"title":"Member","offer_id":44451337928841,"sku":"TPTAP22060","price":4.8,"currency_code":"USD","in_stock":true},{"title":"Premium Member","offer_id":44451337961609,"sku":"TPTAP22060","price":4.58,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0659\/2813\/4793\/files\/tap22060820b.jpg?v=1747909189"},{"product_id":"daniel-defense-castle-nut","title":"Daniel Defense Castle Nut Black","description":"\u003cp\u003eThe Daniel Defense Castle Nut will secure your mil spec or commercial spec carbine receiver extension and rear receiver end plate to the lower receiver. Made with recesses for staking your rear receiver end plate to prevent the castle nut from coming loose.  It is finished with a heavy magnesium phosphate coating and is compatible with common armorers\/castle nut wrenches (not included). Weight: 0.5 oz.\u003c\/p\u003e\u003cbr\u003eBuffer Tubes\/Buffers \u0026amp; Springs|Parts\/Parts Kits\u003cbr\u003e15-057-20039","brand":"Daniel Defense","offers":[{"title":"Retail","offer_id":45045064663177,"sku":"ED1505720039","price":7.0,"currency_code":"USD","in_stock":false},{"title":"Member","offer_id":45045064695945,"sku":"ED1505720039","price":5.85,"currency_code":"USD","in_stock":false},{"title":"Premium Member","offer_id":45045064728713,"sku":"ED1505720039","price":5.33,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0659\/2813\/4793\/files\/ED1505720039-1.jpg?v=1765873131"},{"product_id":"tacfire-inc-ar15-mil-spec-commercial-castle-nut-steel","title":"TacFire AR-15 Mil Spec Castle Nut - Steel","description":"\u003cp\u003eTacFire Official AR15 Castle Locking Nut for .223\/5.56 Rifle carbine stock used to tighten buffer tube to receiver.\u003c\/p\u003e\u003cbr\u003eBuffer Tubes\/Buffers \u0026amp; Springs\u003cbr\u003eMAR039","brand":"Tacfire Inc.","offers":[{"title":"Retail","offer_id":45045093302409,"sku":"EFMAR039","price":2.6,"currency_code":"USD","in_stock":true},{"title":"Member","offer_id":45045093499017,"sku":"EFMAR039","price":2.6,"currency_code":"USD","in_stock":true},{"title":"Premium Member","offer_id":45045093531785,"sku":"EFMAR039","price":2.3,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0659\/2813\/4793\/files\/EFMAR039.jpg?v=1765873351"}],"url":"https:\/\/christianvigilant.com\/collections\/ar-15-castle-nuts.oembed","provider":"Christian Vigilant","version":"1.0","type":"link"}