{"product_id":"fortis-k1-enhancd-ar15-end-plate-gry","title":"Fortis Manufacturing - K1 System Castle Nut \u0026 End Plate - Grey","description":"\u003cp\u003eThe \u003cb\u003eFortis Manufacturing K1 System Castle Nut \u0026amp; End Plate\u003c\/b\u003e is a revolutionary solution for AR15 enthusiasts seeking a lightweight and robust design. This system is engineered to virtually eliminate the risk of your castle nut backing out, thanks to its innovative tapered design that seals itself onto the end plate. Crafted from \u003cb\u003e7075 T6 Aircraft Grade Aluminum\u003c\/b\u003e, this system offers both durability and precision.\u003c\/p\u003e\u003cp\u003eThe K1 system's snug fit allows the castle nut to seat and seal itself into place without the need for staking, ensuring no ratcheting, no set screws, and no failures. Weighing only \u003cb\u003e0.59 oz (16.8 grams)\u003c\/b\u003e, it is an exceptionally lightweight component that enhances the performance of your AR15 platform.\u003c\/p\u003e\u003cp\u003eThis system also features a \u003cb\u003eQuick Detach Socket\u003c\/b\u003e with a 360-degree rotational locking interface, providing versatility and ease of use. Proudly made in the USA, the K1 System Castle Nut \u0026amp; End Plate is a testament to Fortis Manufacturing's commitment to innovation and quality.\u003c\/p\u003e\u003cp\u003e\u003cb\u003eKey Features\u003c\/b\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cb\u003eMaterial:\u003c\/b\u003e 7075 T6 Aircraft Grade Aluminum\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eWeight:\u003c\/b\u003e 0.59 oz \/ 16.8 grams\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eColor:\u003c\/b\u003e Grey\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eDesign:\u003c\/b\u003e Tapered castle nut seals onto the end plate\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eInstallation:\u003c\/b\u003e No torque wrench required, tighten 1\/4 turn from hand tight\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eQuick Detach Socket:\u003c\/b\u003e 360-degree rotational locking interface\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eMade in:\u003c\/b\u003e USA\u003c\/li\u003e\n\u003cli\u003eNo set screws or ratcheting system\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cb\u003eSpecifications\u003c\/b\u003e\u003c\/p\u003e\u003cul\u003e\u003cli\u003e\n\u003cb\u003eCastle Nut Color:\u003c\/b\u003e Grey\u003c\/li\u003e\u003c\/ul\u003e","brand":"Fortis Manufacturing, Inc.","offers":[{"title":"Default Title","offer_id":47333998264409,"sku":"RSR-FORTLE-BLK-K1-GRY","price":41.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0595\/9860\/2329\/files\/fortis_RSR-FORTLE-BLK-K1-GRY-1.jpg?v=1790640458","url":"https:\/\/mountainready.online\/products\/fortis-k1-enhancd-ar15-end-plate-gry","provider":"mountainready.online","version":"1.0","type":"link"}