CMMG LOW PRO GAS BLOCK .625 ID

CMMG Low Pro Gas Block .625" ID

The CMMG Low Profile Gas Block .625" ID is the perfect solution for lightweight or pencil-profile AR-15 barrels requiring a slim, reliable gas system. Designed to sit under free-float handguards, this low-profile gas block ensures reliable cycling and a clean, professional fit.

Precision Fit for .625" Barrel Journal

Specifically designed for barrels with a .625" outside diameter at the gas port, this gas block provides a snug, secure fit that ensures consistent gas flow and proper function. It’s the ideal match for builds focused on weight savings without sacrificing performance.

Key Features

• Inside Diameter: .625" for pencil-profile barrels
• Low-profile design fits under most free-float handguards
• Durable steel construction for long-lasting reliability
• Set screw installation for a rock-solid mount
• Made in the USA by CMMG, a trusted name in AR parts

Lightweight & Reliable Performance

The CMMG Low Pro Gas Block keeps your build sleek and minimal, reducing excess weight while maintaining proper cycling. Whether you're upgrading a factory rifle or assembling a custom AR-15, this gas block is a dependable component you can trust.

Installation Notes

For optimal results, ensure the gas block is properly aligned with the barrel’s gas port. Use a dimpled barrel or mark alignment for secure mounting. Gunsmith installation recommended for best performance.

Customer Reviews

★★★★★ "Perfect fit for my pencil barrel build. Works flawlessly and clears my handguard." – Jake M.

★★★★★ "Solid quality and easy to install. CMMG always delivers." – Rachel F.

★★★★☆ "Great low-profile option for slim builds. Only wish it came with threadlocker." – Chris D.

Built to Perform – Order Now

Get reliable gas flow and a clean, low-drag profile with the CMMG Low Pro Gas Block .625". Perfect for lightweight AR builds and trusted by shooters who demand precision and performance. Order today and upgrade your rifle the right way.