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LBE Unlimited ARCNUT Castle Nut 4140 Steel Black Phosphate AR-15

LBE Unlimited ARCNUT Castle Nut 4140 Steel Black Phosphate AR-15

Product Features & Specifications LBE Unlimited ARCNUT Castle Nut 4140 Steel Black Phosphate AR-15 The Castle Nut is constructed of 4140 steel with a phosphate coating. It is compatible with your AR-15. Brand LBE Unlimited Model Castle Nut Material 4140 Steel Firearm Type AR Platform