Discover the ultimate in lightweight suppression with the Tuna Cans BlackFin L 300BLK/8.6BLK (9-Baffle) suppressor, engineered for discerning shooters who demand performance without the bulk. This dedicated .300 Blackout and 8.6 Blackout silencer combines hybrid construction for exceptional durability and minimal weight, allowing you to maintain balance on your rifle while significantly reducing noise and recoil. Ideal for tactical setups, hunting, or range sessions, the BlackFin L delivers reliable sound suppression that lets you focus on the shot, not the blast.
Key Features
- Hybrid Material Design: Features a robust 3-inch blast chamber and first blast baffle crafted from heat-treated 17-4 stainless steel for superior heat and pressure resistance, while the remaining eight baffles and end cap utilize lightweight aero-grade 7075 aluminum to keep the overall weight down to just 12.5 ounces.
- Optimized Bore and Dimensions: With a .375-inch bore and 1.625-inch outer diameter, it provides ample clearance for .30 caliber rounds while maintaining a slim profile that fits seamlessly under handguards or rails.
- User-Serviceable Construction: Easily disassembled for cleaning and maintenance, ensuring longevity and peak performance even after extended use.
- Versatile Mounting: Equipped with a 1.375×24 TPI hub mount (mount not included), compatible with quick-detach systems for fast attachment and removal.
Technical Specifications
- Length: 8.5 inches
- Weight: 12.5 ounces
- Caliber Rating: Up to .30 (7.62/.308), dedicated for .300 Blackout and 8.6 Blackout
- Baffle Count: 9 baffles
- Finish: Stainless steel with durable coating
- Full-Auto Rating: Subsonic .300 Blackout (no barrel length restriction)
- Semi-Auto Rating: .300 Blackout supersonic (10-inch barrel minimum); 8.6 Blackout subsonic (10-inch barrel minimum)
- Bolt-Action Rating: Subsonic 7.62/.308/300 Win Mag (16-inch barrel minimum)
Why Choose the BlackFin L Suppressor?
In the world of .300 Blackout suppressors, the BlackFin L stands out by addressing common pain points like excessive weight and limited versatility. Its lightweight build prevents front-heaviness on shorter barrels, improving handling and accuracy during dynamic shooting. The stainless steel components in high-stress areas withstand intense full-auto fire on subsonics, while the aluminum baffles ensure it stays agile for semi-auto or bolt-action applications. Shooters appreciate the reduced muzzle blast and flash, enhancing situational awareness and hearing protection without compromising on power. Backed by a lifetime warranty, this affordable yet premium silencer offers peace of mind for serious enthusiasts seeking value in tactical firearms accessories.
Upgrade your setup today with the Tuna Cans BlackFin L—experience suppressed shooting that prioritizes performance, portability, and precision. Perfect for online shoppers hunting for the best lightweight .300 Blackout silencer.
Frequently Asked Questions
Is the BlackFin L user-serviceable?
Yes, this suppressor is fully user-serviceable, allowing for straightforward disassembly, cleaning, and reassembly to maintain optimal function over time.
What calibers is it compatible with?
It’s rated for .300 Blackout (subsonic and supersonic with restrictions), 8.6 Blackout subsonic, and up to .30 caliber subsonics in bolt-action rifles. Note: Not suitable for 9mm due to the .375-inch bore.
Does it come with a mount?
The suppressor features a hub mount but does not include a specific quick-detach or direct-thread mount; it’s compatible with standard 1.375×24 TPI accessories.


