LBE Unlimited ARCNUT Castle Nut 4140 Steel Black Phosphate AR-15
http://www.tandktactical.com/shop/765857617329-lbe-unlimited-arcnut-castle-nut-4140-steel-black-phosphate-ar-15-24513
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The Castle Nut is constructed of 4140 steel with a phosphate coating. It is compatible with your AR-15.
Terms and Conditions
30-day money-back guarantee
Shipping: 2-3 Business Days
