CMMG LOW PRO GAS BLOCK .750 ID

CMMG Low Pro Gas Block .750" ID

The CMMG Low Profile Gas Block .750" ID is a precision-machined upgrade designed to deliver reliable gas flow and a streamlined profile for your AR-15. Compatible with standard barrel profiles, this gas block is the ideal solution for shooters looking to mount a free-float handguard or upgrade from bulky factory components.

Engineered for .750" Barrel Journals

Built specifically for AR barrels with a .750" outer diameter at the gas port, this gas block provides a secure fit and proper alignment to ensure optimal cycling performance. It’s a must-have for custom builds and serious upgrades alike.

Key Features

• Inside Diameter: .750" – fits standard AR-15 barrel profiles
• Low-profile design fits under most free-float handguards
• Precision-machined steel construction for durability
• Set screw mounting for easy and secure installation
• Manufactured in the USA by CMMG – known for quality and reliability

Optimize Your AR Build

Whether you're completing a custom AR-15 build or replacing a factory gas block, the CMMG Low Pro Gas Block offers reduced weight and improved aesthetics without compromising performance. Its slim profile makes it ideal for modern free-float rail systems.

Installation Guide

Proper installation ensures alignment with the barrel’s gas port. A dimpled barrel or careful marking is recommended. Use a quality threadlocker for added security. Gunsmith installation is suggested for best results.

Customer Reviews

★★★★★ "Excellent quality. Fit my barrel perfectly and cycles cleanly. Would buy again." – Marcus T.

★★★★★ "Sits perfectly under my M-LOK handguard. Installation was quick and easy." – Denise R.

★★★★☆ "Great product, but the set screws were a little tight. Still, no regrets." – Leo V.

Upgrade with Confidence

Trusted by builders and professionals, the CMMG Low Profile Gas Block .750" ID offers the strength, simplicity, and reliability you expect in a top-tier AR component. Ready to install, made to last—add one to your next build today.