The LBE Unlimited Barrel Nut (LBE Unlimited part no. ARBNT) is a black, standard-pattern barrel nut built for the AR-15 platform. This nut threads into the upper receiver and clamps the barrel extension in place, and it’s cut to the standard pattern that most drop-in and clamp-on handguards are designed around. LBE Unlimited finishes it in black to match most AR-15 uppers. Whether you’re building a new upper from parts or replacing a worn or damaged nut, this is a direct-fit component sized for the standard AR-15 platform.

Key Specifications

• Cut to the standard AR-15 barrel nut pattern.
• Finished in black to match most AR-15 uppers.
• Clamps the barrel extension into the upper receiver.
• Compatible with standard handguard mounting systems built around this pattern.
• Built for the AR-15 platform.

Frequently Asked Questions

What does a barrel nut do? It threads into the upper receiver and clamps the barrel extension in place, also providing the mounting point most handguards clamp onto.

Will this fit a standard AR-15 build? Yes, it’s cut to the standard AR-15 barrel nut pattern.

Buy the LBE Unlimited AR-15 Barrel Nut

A worn or damaged barrel nut is a build-stopper, and this LBE Unlimited nut is a straightforward, direct-fit replacement for a standard AR-15 upper. Order it from our LBE Unlimited lineup, part of our full selection of AR upper parts, from our Lubbock, Texas gun shop, and it ships fast to your door.