Elevate your .300 Blackout shooting experience with the CAT RAT FLOW 300BLK Suppressor Kit, engineered for precision and versatility in tactical applications. Designed specifically for compact platforms like the SIG MCX Rattler, this modular titanium suppressor delivers exceptional sound suppression while minimizing gas blowback and ensuring reliable cycling—perfect for shooters demanding performance in both subsonic and supersonic scenarios.
Key Features
- Modular Design: Includes the FLOW module for optimized forward gas flow, ideal for supersonic loads and high-volume fire, plus compatibility with the COVERT module for maximum subsonic suppression.
- Advanced Mounting Options: Comes equipped with 5/8×24 AI Nano direct thread mount and SIG Taper adapter, offering seamless integration with a wide range of .300 BLK firearms.
- Premium Titanium Construction: 3D-printed from lightweight Ti64 alloy with a durable DLC finish, ensuring corrosion resistance and rugged durability without added bulk.
- Quick-Detach Functionality: Features 1×16 LH QD system for fast, secure attachment and removal, enhancing operational efficiency in the field.
Technical Specifications
- Caliber: .300 Blackout (subsonic and supersonic rated)
- Weight: 13.6 oz
- Length: 7.53 inches (overall with FLOW module)
- Diameter: 1.7 inches
- Material: Full titanium with DLC coating
- Mounts Included: 5/8×24 AI Nano and SIG Taper
Why Choose the CAT RAT FLOW 300BLK Suppressor?
This suppressor addresses common pain points for .300 BLK users, such as excessive backpressure on short-barreled rifles and inconsistent performance across ammo types. The FLOW configuration promotes efficient gas management, reducing shooter fatigue from gas in the face and improving weapon reliability during extended sessions. Whether you’re hunting, training, or defending, its lightweight profile maintains maneuverability without sacrificing suppression quality. Built to outperform standard cans in modular adaptability, it empowers you to configure on the fly for any mission—delivering quieter shots, less recoil, and superior control.
Ready to quiet your .300 Blackout setup? Invest in the CAT RAT FLOW 300BLK Suppressor today and experience the difference in sound, speed, and reliability.
Frequently Asked Questions
Q: Is this suppressor compatible with the SIG MCX Rattler?
A: Yes, it’s optimized for the SIG Rattler and other .300 BLK platforms, with included mounts ensuring a secure fit and reliable function.
Q: Can it handle both subsonic and supersonic ammunition?
A: Absolutely—the modular design allows switching between FLOW for supersonic loads and COVERT (sold separately or in kits) for subsonic, providing tailored performance.
Q: How does the titanium construction benefit me?
A: Titanium offers an unbeatable strength-to-weight ratio, keeping your setup light at just 13.6 oz while withstanding high-pressure .300 BLK rounds over thousands of cycles.

