{"product_id":"armaspec-self-retention-castle-nut-7075-aluminum-black-anodized-ar-15-m4-arm6521-blk","title":"ARMASPEC Self-Retention Castle Nut 7075 Aluminum Black Anodized AR-15\/M4 ARM6521-BLK","description":"\u003ch2\u003eProduct Description\u003c\/h2\u003e\n\u003cp\u003eThe ARMASPEC Self-Retention Castle Nut redefines stability and simplicity in your AR-15\/M4 build. Featuring Armaspec's patented self-retention thread locking technology, this castle nut locks securely in place without the need for staking or thread locker. Designed for quick and easy installation, it saves time during your build without compromising performance or security. Constructed from premium-grade 7075 aluminum, this castle nut delivers exceptional strength and durability while keeping weight to a minimum, making it the ideal upgrade for high-performance lightweight AR builds. The black anodized finish adds corrosion resistance and a clean, professional appearance.\u003c\/p\u003e\n\n\u003ch2\u003eProduct Highlights\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePatented Self-Retention Thread Design\u003c\/strong\u003e - Innovative thread locking technology locks the nut securely in place without the need for staking or thread locker, ensuring reliable retention.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePremium 7075 Aluminum Construction\u003c\/strong\u003e - Machined from high-grade 7075 aluminum for outstanding strength, long-term durability, and significant weight reduction over steel alternatives.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eAR-15\/M4 Compatible\u003c\/strong\u003e - Engineered specifically for the AR-15\/M4 platform, providing a precise and secure fit every time.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eBlack Anodized Finish\u003c\/strong\u003e - Hard anodized coating provides corrosion resistance and a sleek, durable matte black look that complements any build.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eQuick and Easy Installation\u003c\/strong\u003e - Simplified installation process saves time without sacrificing any performance or mechanical integrity.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eSpecs\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eBrand:\u003c\/strong\u003e ARMASPEC\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMPN:\u003c\/strong\u003e ARM6521-BLK\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eUPC:\u003c\/strong\u003e 810048493999\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCompatible With:\u003c\/strong\u003e AR-15\/M4\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e 7075 Aluminum\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eFinish:\u003c\/strong\u003e Anodized\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eColor:\u003c\/strong\u003e Black\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003e\u003cem\u003eDisclaimer: We strive to provide accurate and up-to-date product descriptions, specifications, and images; however, errors or omissions may occasionally occur. We are not responsible for any inaccuracies or discrepancies in the content provided. If you notice anything incorrect or unclear, please contact us so we can correct it. When in doubt, we recommend verifying details directly with the product's manufacturer.\u003c\/em\u003e\u003c\/p\u003e","brand":"ARMASPEC","offers":[{"title":"Default Title","offer_id":44199602651258,"sku":"FLX-195425","price":32.98,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1679\/0365\/files\/308991088.png?v=1788359122","url":"https:\/\/tlooutdoors.com\/products\/armaspec-self-retention-castle-nut-7075-aluminum-black-anodized-ar-15-m4-arm6521-blk","provider":"TLO Outdoors","version":"1.0","type":"link"}