CMMG

CMMG ZEROED Adjustable Gas Block

Optimize your AR’s performance with the CMMG ZEROED Adjustable Gas Block. Whether you're running a suppressor or fine-tuning your rifle for specific ammunition, this gas block gives you precision control over your gas system. The 20-position detent adjustment screw ensures just the right amount of gas flow—preventing excessive wear while maintaining reliable cycling.

Designed for easy maintenance, it features a sacrificial cleanout chamber to trap excess carbon, making cleanup simple. Plus, the user-serviceable design allows for long-term durability.

Includes:
✔ 20-position adjustable gas system for precise tuning
✔ Gas tube roll pin for secure installation
✔ 6” 3/32 hex wrench for easy adjustments

Fine-tune your AR setup with the CMMG ZEROED Adjustable Gas Block—because control matters.