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CMMG ZEROED .750in ID Adjustable Gas Block 55DA31F Gas Block Journal Size-Diameter: .750 in, 11% Off w/ Free Shipping

CMMG ZEROED Adjustable Gas Block, .750in ID, 55DA31F
CMMG ZEROED Adjustable Gas Block, .750in ID, 55DA31F
CMMG ZEROED Adjustable Gas Block, .750in ID, 55DA31F
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CMMG ZEROED Adjustable Gas Block, .750in ID, 55DA31F
CMMG ZEROED Adjustable Gas Block, .750in ID, 55DA31F
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CMMG ZEROED Adjustable Gas Block, .750in ID, 55DA31F

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Customer Reviews
Most Recent Reviews
Terrible machining by Brad, Verified Owner, January 8, 2026
I rated this gas block at 3 stars, which is generous, simply because it does what it's supposed to and is adjustable. However, the machining and QA was terrible, with multiple large burs left on the inside of the gas block. I did not realize this unt...
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Gas Block Journal Size-Diameter: .750 in

Code: 2CM-RGB-ARURCJH9-55DA31F

MPN: 55DA31F

UPC: 810148627591

List: $79.95Save 11%
$71.39

Product Info for CMMG ZEROED .750in ID Adjustable Gas Block

If youre looking to shoot suppressed or just fine tune your AR to your preferred ammo, the CMMG ZEROED Adjustable Gas Block gives you the freedom to dial in the gas system exactly to your liking.image

A 20-position detent adjustment screw means you don't have so much gas that your gun beats itself up and you don't end up with too little gas to even cycle. The sacrificial cleanout chamber and user-serviceable design provides excess carbon a place to go where you can still clean it out.

WARNING: California`s Proposition 65

Specifications for CMMG ZEROED .750in ID Adjustable Gas Block:

Manufacturer: CMMG
Gas Block Journal Size-Diameter: .750 in

Package Contents:

  • CMMG ZEROED .750in ID Adjustable Gas Block

CMMG ZEROED .750in ID Adjustable Gas Block Orderable Models

List of Orderable Models

  • CMMG ZEROED .750in ID Adjustable Gas Block, Black, 55DA31F , MPN: 55DA31F , UPC: 810148627591 , Code: 2CM-RGB-ARURCJH9-55DA31F
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