The CMMG Zeroed AR-15 Adjustable Gas Block offers precision control over your rifle's gas system, allowing for optimal performance with various ammunition types and when using suppressors. This .750" diameter gas block features a 20-position detent adjustment screw, providing fine-tuned gas regulation. The nitride finish ensures durability and corrosion resistance. A sacrificial cleanout chamber and user-serviceable design allow for easy maintenance and carbon buildup management. The gas block includes a 6" 3/32 hex wrench for adjustments and a roll pin for secure installation.

Features and Specifications:

• Compatible with .750" barrel diameter

• 20-position detent adjustment screw

• Nitride finish for durability

• Sacrificial cleanout chamber for easy maintenance

• User-serviceable design

• Includes 6" 3/32 hex wrench and roll pin

• Material: Steel

• Finish: Nitride

• Made in the USA