Build a sleek, dependable AR-15 with the CMMG Low Pro Gas Block .625" ID. Designed for lightweight and pencil-profile barrels, this compact gas block offers a secure fit and reliable gas flow while keeping your rifle’s profile clean. Its low-profile shape is made to sit beneath most free-float handguards, making it a practical choice for custom builds and upgrades.
Precision-sized for a .625-inch barrel journal at the gas port, this CMMG gas block is an ideal match for weight-conscious AR-15 setups. Durable steel construction supports lasting performance, while set-screw installation helps hold the block firmly in position. Made in the USA by CMMG, it delivers trusted component quality for shooters seeking a straightforward, reliable fit.
- .625-inch inside diameter: Designed for compatible pencil-profile and lightweight AR-15 barrels.
- Low-profile design: Fits beneath most free-float handguards for a streamlined build.
- Durable steel construction: Built to provide dependable service over time.
- Set-screw mounting: Helps secure the gas block to the barrel when properly installed.
- Consistent gas flow: Supports reliable cycling when correctly aligned with the barrel’s gas port.
- Made in the USA: Manufactured by CMMG, a trusted name in AR-15 parts and accessories.
- Ideal for lightweight builds: A functional choice for rifle assemblies that prioritize a slim, minimal profile.
For best results, align the gas block carefully with the barrel’s gas port; a dimpled barrel or marked alignment can help with secure mounting. Gunsmith installation is recommended. Choose the CMMG Low Pro Gas Block .625" ID for a clean fit and reliable performance in a compatible AR-15 build.
