LBE Unlimited Manganese Phosphate Coated AR-15 Castle Nut, Black - ARCNUT

The LBE Unlimited AR-15 Castle Nut is designed to secure your receiver extension or buffer tube to your AR-15 lower receiver. This durable castle nut is coated with manganese phosphate for added strength and corrosion resistance.

- Brand: LBE
- MPN: ARCNUT
- UPC: 765857617329

Upgrade your AR-15 with the reliable LBE Unlimited Castle Nut in sleek black finish for a secure and long-lasting fit.