CMMG ZEROED Adjustable Gas Block .750"
Click to see full view
CMMG
Overview
The CMMG ZEROED Adjustable Gas Block is designed to fit barrels with a .750" diameter and features an adjustable design that allows you to fine-tune the gas flow for optimal cycling with different ammunition types or suppressors. Its low-profile design ensures compatibility with a variety of handguards while the nitride finish adds durability and corrosion resistance. This gas block is commonly found in builds focused on precision shooting or those incorporating suppressors for a quieter operation.
Specifications
September 2026 on GunPartPicker
CMMG ZEROED Adjustable Gas Block .750" ranked #19 of the 67 gas blocks builders added on GunPartPicker in September 2026. Builders have been adding it to their builds on GunPartPicker since March 2026. All time, it ranks #34 of the 182 gas blocks builders have added.
Availability is good: it was in stock at one retailer or another nearly every day in September 2026, and today 7 of the 8 retailers we track have it in stock. The best price drifted down from $52.99 to $49.99 over September 2026 without a real sale. Buying today, the lowest price is $52.47 at KY Gun Company.
Updated · from real builds on GunPartPicker · Prices checked · refreshed daily across 37 retailers
Not sure which gas block to pick?
We ranked every gas block by how often it shows up in real builds on GunPartPicker.
Read the guide: AR-15 Gas Block Guide →Check it against the live catalog:
Frequently Built With
The part most often added in each category by the builds that include this one
Mission First Tactical TMARFF15MRS Tekko AR Free Float M-LOK Rail System 15" 6061 Aluminum Black Hard Coat Anodized
Luth-AR AR-15 Gas Tube Stainless Steel Pistol
FAXON Firearms 5.56 M16 Bolt Carrier Group Nitride TIN PVD
FN AR-15 M16 Barrel 16 Carbine 5.56mm
Rise Armament RA-212 Extended-Latch Charging Handle - FDE
PSA AR-15 Complete Lower CMC Magpul MOE Edition - Black, No Magazine
Build Configuration Breakdown
Aggregated and anonymized data showing how builders use this product
PlatformBased on real build data showing which platform (AR-15, AR-10, AR-9) builders pair with this product.
CaliberBased on real build data showing which calibers builders choose alongside this product.
Gas SystemBased on real build data showing which gas system lengths builders use with this product.
Builds Featuring This Part
See all 2 →Builds in the community that include the CMMG ZEROED Adjustable Gas Block .750"
| Build | Parts | Total |
|---|---|---|
 | 23 | $1358.29 |
 | 27 | $6935.58 |
No reviews yet. Be the first to review this product!