CMMG Receiver Extension Nut Mk4 Black – Save More

Specifications

Material—-Steel

WARNING: This product can expose you to chemicals including arsenic, which is known to the State ofCalifornia to cause cancer. For more information, go toWWW.P65WARNINGS.CA.GOV

Product Overview

The CMMG Mk4 Receiver Extension Nut is a carbine AR-15 hardware component used to secure the receiver extension in place. Built for standard AR-15 carbine threading, it provides a clean, durable hardware solution for completing or refreshing an AR build.

Key Features

• Designed for AR-15 carbine receiver extensions
• Standard 1-3/16-16 receiver-extension nut threads
• Steel construction with a black finish for a matched look
• Secure mounting hardware for reliable buffer system setup

Upgrade your AR-15 build with the CMMG Mk4 Receiver Extension Nut for a proper, dependable receiver extension fit.