Discover the ultimate in suppressed performance with the Tuna Cans BlackFin 300 BLK / 8.6 BLK (6-Baffle) suppressor, engineered for shooters who demand lightweight design without sacrificing durability. This hybrid silencer is purpose-built for .300 Blackout and 8.6 Blackout platforms, delivering exceptional sound reduction on subsonic loads while maintaining balance on your rifle. Whether you’re running a compact SBR or a precision bolt gun, the BlackFin ensures reliable, low-signature operation that enhances accuracy and reduces fatigue during extended sessions.
Key Features
- Hybrid Construction: Features a robust 3-inch blast chamber and first baffle crafted from heat-treated 17-4 stainless steel to withstand high pressure and erosion, paired with aero-grade 7075 aluminum baffles and end cap for optimal weight savings.
- Compact and Lightweight: At just 6.75 inches long and 10 ounces, it minimizes added length and front-end weight, perfect for maintaining rifle maneuverability.
- Versatile Mounting: Equipped with 1.375×24 standard TPI hub threading for easy integration with compatible mounts (mount not included), offering flexibility for direct thread or quick-detach setups.
- User-Serviceable Design: Allows for straightforward disassembly and cleaning, ensuring longevity and peak performance over thousands of rounds.
- .375 Bore Optimization: Tailored for .30-caliber projectiles, providing efficient gas trapping without compromising bullet stability.
Technical Specifications
- Caliber Rating: Up to .30 (7.62/.308), optimized for .300 Blackout and 8.6 Blackout
- Length: 6.75 inches
- Outer Diameter: 1.625 inches
- Weight: 10 ounces
- Number of Baffles: 6
- Bore Diameter: .375 inches
- Materials: 17-4 stainless steel (blast chamber and first baffle), 7075 aluminum (remaining baffles and end cap)
- Finish: Stainless steel and aluminum construction for corrosion resistance
- Full-Auto Rating: Subsonic .300 Blackout (no barrel restriction)
- Semi-Auto Rating: Supersonic .300 Blackout and subsonic 8.6 Blackout (10-inch minimum barrel)
- Bolt-Action Rating: Subsonic 7.62/.308; .300 Win Mag (16-inch minimum barrel)
Why Choose the BlackFin Suppressor?
In the world of tactical firearms accessories, finding a lightweight suppressor for 300 Blackout that handles the rigors of hard use can be challenging. The BlackFin addresses common pain points like excessive weight that throws off balance or materials that wear quickly under subsonic fire. Its innovative hybrid build delivers superior sound suppression on dedicated calibers, reducing muzzle blast and recoil for faster follow-up shots and hearing-safe operation without ear pro in many scenarios. Ideal for hunters, home defenders, or range enthusiasts, this suppressor enhances your setup’s versatility while keeping it agile. Unlike bulkier options, the BlackFin’s compact profile pairs seamlessly with short-barreled rifles, solving the issue of overlong configurations that hinder mobility.
Elevate your suppressed shooting experience with the Tuna Cans BlackFin – the smart choice for performance-driven shooters seeking reliability and efficiency in a .300 Blackout silencer.









