The COMSTOCK MUZZLE BRAKE 5/8X24 9MM COMPACT FACEMOUNT is a high-performance, low-profile muzzle device specifically engineered for 9mm firearms that utilize the larger 5/8x24 thread pattern. This compact face mount muzzle brake (model MBC-58-9-FM) delivers effective recoil reduction and muzzle control while maintaining an ultra-short overall length. Manufactured by Comstock Armory, this muzzle brake is an excellent choice for custom 9mm builds, pistol caliber carbines, and AR-9 platforms that require 5/8x24 threading and a flush-fitting, compact design.
Why Choose the Comstock 5/8x24 9mm Compact Face Mount Muzzle Brake?
While most 9mm firearms use 1/2x28 threading, many custom and high-performance 9mm builds are threaded in 5/8x24. The Comstock MBC-58-9-FM is purpose-built for these platforms, offering a compact face mount design that sits closer to the barrel shoulder for a lower profile and reduced overall length. This makes it ideal for shooters who want recoil reduction without adding unnecessary length to their firearm. The face mount design provides a secure, stable fit while keeping the brake as compact as possible. Whether you’re building a custom 9mm AR, a competition PCC, or a tactical carbine, this muzzle brake delivers noticeable recoil mitigation in a sleek, low-profile package.
Key Features of the Comstock 5/8x24 9mm Compact Face Mount Muzzle Brake
- 5/8x24 Threading – Designed for 9mm barrels threaded in the larger 5/8x24 pattern
- Compact Face Mount Design – Low-profile mounting that minimizes overall length
- Effective Recoil Reduction – Strategically placed ports reduce felt recoil and muzzle rise
- Lightweight & Compact – Adds minimal length and weight to the firearm
- Precision Machined – Tight tolerances for consistent performance and secure fit
- Durable Finish – Corrosion-resistant coating for long-term reliability
- Model MBC-58-9-FM – Official Comstock Armory part number with UPC 850069580278
Performance and Build Quality
The COMSTOCK MUZZLE BRAKE 5/8X24 9MM COMPACT FACEMOUNT is precision machined from high-quality steel to deliver reliable, consistent performance on 9mm platforms using 5/8x24 threading. The face mount design allows the brake to mount flush against the barrel shoulder, resulting in a shorter overall package compared to traditional muzzle brakes. This makes it particularly well-suited for shorter-barreled 9mm rifles and pistol caliber carbines where overall length is a priority. The porting is optimized to redirect expanding gases efficiently, helping to reduce both felt recoil and muzzle rise during rapid strings of fire. Despite its compact size, this muzzle brake provides meaningful recoil control, making it a strong performer for both recreational shooters and those competing in PCC divisions. The durable finish protects against rust and wear, ensuring long-term reliability in demanding conditions.
Technical Specifications
| Product Name | Comstock Compact Face Mount 9mm Muzzle Brake |
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| Model Number | MBC-58-9-FM |
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| UPC | 850069580278 |
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| Caliber | 9mm Luger |
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| Thread Pattern | 5/8x24 |
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| Design | Compact Face Mount Muzzle Brake |
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| Material | High-Strength Steel |
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| Finish | Corrosion Resistant Coating |
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| Best For | Custom 9mm ARs, Pistol Caliber Carbines, Competition, Tactical Builds |
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| Key Benefit | Compact face mount muzzle brake for 5/8x24 threaded 9mm firearms |
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Reduce recoil on your 5/8x24 threaded 9mm build.
The Comstock Compact Face Mount 9mm Muzzle Brake delivers effective performance in a low-profile package.
Important Notice: This product is a firearm muzzle device. Firearm accessory sales are subject to all applicable federal, state, and local laws. It is the buyer’s responsibility to know and comply with all applicable laws regarding the purchase and possession of firearm components. Must be 18 years or older to purchase. Keep out of reach of children. This product is intended for lawful use only.
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