{"product_id":"lbe-unlimited-ar-15-castle-nut-model-arcnut-made-of-4140-steel-with-magnesium-phosphate-finish","title":"LBE Unlimited AR-15 Castle Nut - Model ARCNUT, Made of 4140 Steel with Magnesium Phosphate Finish","description":"LBE Unlimited Castle Nut, For AR-15, Manganese Phosphate Coated 4140 Steel ARCNUT\n\u003cp\u003eThe LBE Unlimited AR-15 Castle Nut (Model ARCNUT) is crafted from durable 4140 steel, ensuring high strength and reliability for your firearm assembly. Its magnesium phosphate finish provides corrosion resistance and a sleek appearance, making it suitable for long-term use in various environments. Made in the USA, this castle nut is designed to meet the demanding standards of firearm enthusiasts and professionals alike. It securely locks the buffer tube to the receiver, ensuring proper alignment and stability during operation. The robust construction and precision engineering contribute to consistent performance and ease of installation, making it a trusted choice for AR-15 builders and upgrade kits. Whether you're assembling a new rifle or replacing a worn component, this castle nut offers the quality and durability required for reliable firearm performance.\u003c\/p\u003e\u003cp\u003e\u003cb\u003eFeatures:\u003c\/b\u003e\u003c\/p\u003e\u003cul\u003e\u003cli\u003eMaterial: Made of high-strength 4140 steel for durability\u003c\/li\u003e\u003c\/ul\u003e\u003cul\u003e\u003cli\u003eFinish: Magnesium phosphate coating for corrosion resistance\u003c\/li\u003e\u003c\/ul\u003e\u003cul\u003e\u003cli\u003eCompatibility: Designed specifically for AR-15 rifles\u003c\/li\u003e\u003c\/ul\u003e\u003cul\u003e\u003cli\u003eMade in the USA: Ensures quality manufacturing standards\u003c\/li\u003e\u003c\/ul\u003e\u003cul\u003e\u003cli\u003eSecure Fit: Ensures proper locking of the buffer tube to the receiver\u003c\/li\u003e\u003c\/ul\u003e","brand":"LBE Unlimited","offers":[{"title":"Default Title","offer_id":46533046436037,"sku":"765857617329","price":6.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0774\/9484\/5637\/files\/5978025.jpg?v=1783991967","url":"https:\/\/irondesertarmory.com\/products\/lbe-unlimited-ar-15-castle-nut-model-arcnut-made-of-4140-steel-with-magnesium-phosphate-finish","provider":"Iron Desert Armory","version":"1.0","type":"link"}