AR-15 Locking Nut

Eemann Tech Locking Nut for AR-15 – Securing Nut for the Buffer Tube

The Eemann Tech Locking Nut for AR-15 and AR-9 is a precision-manufactured locking nut for reliably securing the buffer tube to the lower receiver of the AR-15 or AR-9. As a replacement and assembly part, the Locking Nut ensures that the Buffer Tube remains securely in place even under stress.

Function & Application

Installation is done with a standard AR-15 Armorer's Wrench. The part complies with the Mil-Spec Standard and is therefore compatible with all common AR-15, M4, and M16 compatible platforms.

Quality & Workmanship

Eemann Tech stands for high-quality manufactured small parts and tuning components for shooting sports. The Locking Nut ET-180076 is made of hardened steel and blackened (phosphated), which makes it corrosion-resistant and durable.

Technical Details:

• Compatibility: AR-15, AR-9, M4, M16, and compatible platforms (Mil-Spec)
• Thread: 1-3/16" x 16 TPI (Mil-Spec Standard)
• Material: Steel, blackened/phosphated

OEM Part Number:

ET-180076