Enhance your AR9’s performance with the Comstock Armory Compact 9mm Muzzle Brake – 1/2×36, a precision-engineered accessory designed for shooters who demand superior recoil management without compromising on compactness or suppressor versatility. This muzzle brake transforms your 9mm firearm into a more controllable platform, reducing felt recoil and muzzle rise for faster follow-up shots during range sessions or tactical drills.
Key Features
- Plan-B Suppressor Compatibility: Seamlessly pairs with popular .900″-24 adapters like the Comstock LPA, Q Plan-B, and Rearden Atlas, enabling quick suppressor attachment and removal while acting as a sacrificial baffle to minimize wear on your suppressor.
- Advanced Recoil Reduction: Efficient porting design redirects gases to cut recoil by up to 50%, helping you maintain sight picture and improve accuracy in high-volume shooting scenarios.
- No-Timing Installation: Rotationally symmetric construction eliminates the need for crush washers or shims, allowing for hassle-free setup on your 1/2×36 threaded barrel.
- Compact and Lightweight: At just 1.6 inches long and 1.8 ounces, it adds minimal bulk, preserving your firearm’s balance and maneuverability for close-quarters use.
Specifications
- Material: High-strength 17-4 PH stainless steel
- Finish: Durable black nitride (Melonite) for corrosion resistance and longevity
- Threads: 1/2×36 – Ideal for AR9 and other 9mm pistol caliber carbines
- Bore Diameter: 9mm compatible (up to .357 bullets)
- Dimensions: Length: 1.6 inches; Diameter: 0.9 inches
- Weight: 1.8 ounces
- Wrench Flats: 3/4 inch for easy installation
Why Choose This Product
For AR9 enthusiasts tired of excessive muzzle flip and blast that disrupts training, the Comstock Armory Compact 9mm Muzzle Brake delivers reliable performance without the drawbacks of bulkier alternatives. Its robust construction withstands thousands of rounds, while the nitride finish ensures it performs in harsh conditions. Unlike generic brakes that require precise alignment, this device installs effortlessly, saving you time and frustration. Whether you’re competing, hunting, or defending, it empowers smoother operation and extended shooting comfort, making it a smart upgrade for any 9mm setup.
Ready to experience enhanced control and versatility? Equip your firearm with the Comstock Armory Compact 9mm Muzzle Brake today and elevate your shooting precision.
Frequently Asked Questions
1. Does this muzzle brake require timing or shims?
No, its rotationally symmetric design allows for direct installation without timing, simplifying the process on 1/2×36 barrels.
2. Is it compatible with my suppressor?
Yes, it works with standard Plan-B pattern adapters (.900″-24 thread), including those from Q, Rearden, and Comstock, for secure suppressor mounting.
3. Will it fit my AR9?
Absolutely, the 1/2×36 threads are standard for many AR9 barrels, ensuring a perfect match for 9mm pistol caliber carbines.

