CMMG Zeroed Adjustable Gas Block Kit 55DA3D8 – Precision Adjustable Gas Block for AR-15 Rifles
The CMMG Zeroed Adjustable Gas Block Kit 55DA3D8 is a high-quality, precision-engineered adjustable gas block designed to give shooters complete control over their AR-15’s gas system. Manufactured by CMMG, a trusted name in the firearms industry, this adjustable gas block allows users to fine-tune gas flow for optimal performance with various ammunition types, barrel lengths, and suppressor configurations. Whether you are building a suppressed rifle, a lightweight competition gun, or simply want to reduce gas blowback and recoil, the CMMG Zeroed Adjustable Gas Block delivers reliable, consistent results. The kit includes everything needed for proper installation and adjustment, making it a popular choice among custom AR builders and serious shooters.
With its robust construction and user-friendly design, the CMMG Zeroed Adjustable Gas Block helps improve reliability, reduce fouling, and enhance overall shooting comfort across a wide range of setups.
Key Features of the CMMG Zeroed Adjustable Gas Block Kit
Precision Adjustable Design
Allows fine-tuning of gas flow to optimize cycling for different loads, barrel lengths, and suppressor use.
Suppressor Optimized
Ideal for suppressed firearms, helping reduce back pressure and gas blowback to the shooter’s face.
Durable Construction
Machined from high-strength steel with a corrosion-resistant finish for long-term reliability.
Easy Adjustment
Simple set screw adjustment system allows quick and precise gas regulation without special tools.
Complete Installation Kit
Includes the adjustable gas block, set screws, and necessary hardware for proper installation.
CMMG Zeroed Quality
Part of CMMG’s premium Zeroed line, known for tight tolerances and superior craftsmanship.
Why Choose the CMMG Zeroed Adjustable Gas Block Kit?
The CMMG Zeroed Adjustable Gas Block Kit 55DA3D8 is an excellent upgrade for anyone looking to optimize their AR-15’s performance. Fixed gas blocks often deliver too much or too little gas depending on the ammunition and whether a suppressor is attached. An adjustable gas block solves this problem by allowing shooters to dial in the exact amount of gas needed for reliable cycling while minimizing excess gas. This results in reduced recoil, less fouling in the action, and a cleaner shooting experience—especially important when running a suppressor.
CMMG’s Zeroed series is known for producing high-quality components that meet the demands of serious shooters and professional builders. The 55DA3D8 adjustable gas block is precision machined to ensure a secure fit on standard .750" diameter barrels and provides consistent, repeatable adjustments. Whether you are building a dedicated suppressed rifle, a lightweight 300 Blackout, or simply want more control over your gas system, this kit offers the performance and reliability needed for a professional-grade build. The included hardware and straightforward adjustment mechanism make installation and tuning straightforward, even for those new to adjustable gas blocks.
Technical Specifications
| Specification | Details |
|---|
| Brand | CMMG |
| Product Line | Zeroed Series |
| Model Number | 55DA3D8 |
| UPC | 810148629908 |
| Gas Block Size | .750" (Standard) |
| Type | Adjustable Gas Block |
| Adjustment | Set Screw Style |
| Material | High-Strength Steel |
| Finish | Corrosion Resistant |
| Best For | Suppressed Builds, Custom AR-15s, Competition Rifles, Gas System Tuning |
Shop the CMMG Zeroed Adjustable Gas Block Kit Today!
The CMMG Zeroed Adjustable Gas Block Kit 55DA3D8 (UPC 810148629908) is a premium adjustable gas block designed for AR-15 rifles. Featuring CMMG’s precision engineering and the innovative Zeroed series design, this kit allows shooters to fine-tune gas flow for optimal performance with or without a suppressor. Ideal for custom builds, suppressed firearms, and competition rifles, the CMMG Zeroed Adjustable Gas Block delivers reliable operation, reduced recoil, and improved shooting comfort.
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