{"product_id":"armaspec-self-retention-castle-nut-7075-aluminum-ar-15-m4-anodized-od-green-arm6521-odg","title":"ARMASPEC Self-Retention Castle Nut 7075 Aluminum AR-15\/M4 Anodized OD Green ARM6521-ODG","description":"\u003ch2\u003eProduct Description\u003c\/h2\u003e\n\u003cp\u003eThe ARMASPEC Self-Retention Castle Nut in OD Green redefines stability and simplicity for your AR-15\/M4 build. Featuring Armaspec's innovative patented thread locking technology, this castle nut locks securely in place without the need for staking or thread locker, eliminating extra installation steps and reducing the chance of costly errors. Precision-machined from premium-grade 7075 aluminum, it delivers exceptional strength and durability while keeping weight to a minimum, making it the ideal choice for high-performance lightweight builds. The quick and easy installation design saves time without compromising reliability, and the hard-anodized OD Green finish provides outstanding corrosion resistance along with a clean tactical aesthetic.\u003c\/p\u003e\n\n\u003ch2\u003eProduct Highlights\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003ePatented self-retention thread locking technology secures the nut in place without staking or thread locker\u003c\/li\u003e\n  \u003cli\u003ePrecision-machined from premium-grade 7075 aluminum for superior strength, durability, and reduced weight\u003c\/li\u003e\n  \u003cli\u003eCompatible with AR-15\/M4 platforms for broad versatility across builds\u003c\/li\u003e\n  \u003cli\u003eAnodized OD Green finish offers corrosion resistance and a tactical appearance\u003c\/li\u003e\n  \u003cli\u003eDesigned for quick and easy installation, saving time without sacrificing performance\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-ODG\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eUPC:\u003c\/strong\u003e 810048494019\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 OD Green\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":44134723747962,"sku":"FLX-195427","price":32.98,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1679\/0365\/files\/308991089.png?v=1781058507","url":"https:\/\/tlooutdoors.com\/products\/armaspec-self-retention-castle-nut-7075-aluminum-ar-15-m4-anodized-od-green-arm6521-odg","provider":"TLO Outdoors","version":"1.0","type":"link"}