Experience superior sound suppression without compromising on weight or performance with the Tuna Cans BlackFin 300BLK/8.6BLK (6 Baffle) suppressor. Designed specifically for .300 Blackout and 8.6 Blackout enthusiasts, this lightweight silencer delivers exceptional noise reduction on subsonic loads while maintaining balance on your AR-15 or bolt-action setup. Whether you’re hunting, training, or running tactical drills, the BlackFin ensures a quieter shooting experience that lets you focus on precision and control.
Key Features
- Optimized Baffle Design: Features a 6-baffle stack with a robust 3-inch heat-treated 17-4 stainless steel blast chamber and first baffle, engineered to handle high-pressure subsonic and supersonic rounds effectively, reducing muzzle blast and recoil for faster follow-up shots.
- Lightweight Construction: At just 10 ounces, the aluminum body paired with stainless steel components keeps your rifle agile, ideal for short-barreled rifles (SBRs) where added weight can disrupt handling.
- User-Serviceable Design: Easily disassemble for cleaning and maintenance, extending the life of your suppressor and ensuring reliable performance even after extended range sessions.
- Versatile Compatibility: Rated for .30 caliber up to 7.62/.308, this suppressor excels with 300BLK and 8.6BLK but supports other .30 cal platforms, offering flexibility for multi-caliber builds.
Technical Specifications
- Mount Style: 5/8×24 direct thread for secure, straightforward installation on compatible barrels.
- Length: 7 inches (compact profile minimizes overall rifle length).
- Outer Diameter: 1.625 inches for compatibility with most rails and handguards.
- Caliber Maximum: .30 (7.62/.308), with a .375 bore optimized for Blackout cartridges.
- Materials: Heat-treated 17-4 stainless steel baffles for durability; aluminum body for reduced weight.
- Finish: Stainless for corrosion resistance in harsh environments.
- Weight: 10 ounces; Dimensions: 6.75″ L x 1.625″ W x 1.5″ H.
Why Choose the BlackFin Suppressor?
In the world of tactical firearms accessories, the BlackFin stands out by addressing common shooter pain points like excessive noise, added bulk, and high maintenance. Its dedicated design for 300BLK and 8.6BLK provides Hollywood-level quiet on subsonics without the premium price tag of competitors. Full-auto rated for demanding use, it withstands aggressive firing schedules while staying lightweight—perfect for hunters needing stealth or competitors seeking an edge in speed and accuracy. Unlike bulkier options, the BlackFin enhances your setup’s maneuverability, making it a go-to for SBR enthusiasts and precision shooters alike.
Elevate your shooting game today with the Tuna Cans BlackFin suppressor. Secure yours and transform the way you engage targets with reduced disturbance and enhanced control.
Frequently Asked Questions
Is the BlackFin suppressor full-auto rated?
Yes, it’s built to handle full-auto fire with 300BLK and 8.6BLK, ensuring durability during high-volume shooting.
Can I use this suppressor on other .30 caliber rifles?
Absolutely, it’s rated up to .308/7.62, making it versatile for various .30 cal platforms beyond Blackout cartridges.
How do I maintain the user-serviceable BlackFin?
Disassemble using basic tools, clean baffles with solvent, and reassemble—regular upkeep prevents buildup and maintains optimal sound suppression.

