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Otter Creek Labs
The Otter Creek Labs Hydrogen K is a lightweight titanium suppressor built for hunters and precision shooters who refuse to compromise on handling or heat management. Threaded 5/8x24, this direct-thread silencer delivers serious noise reduction without the bulk—at 6.7 ounces and 5 inches long (without mount), it's engineered to keep your rifle balanced and quick in the field. Whether you're running a lightweight hunting rifle, short-barrel 300 Blackout, or drilling with your 5.56, the Hydrogen K offers full-auto rated performance with an aggressive weight-reduction design that sheds heat faster than traditional suppressors, so it stays cooler longer between strings.
The Hydrogen K's unique tubeless construction uses grade 5 titanium throughout, removing unnecessary material to maximize strength while minimizing weight. That philosophy delivers roughly 10% more surface area than conventional suppressors, which means better suppression and superior cooling efficiency. The 1.625-inch outside diameter keeps the profile sleek, and the industry-standard 1.375x24 rear threads give you flexibility to choose your preferred mounting system rather than locking you into proprietary hardware.
Inside the box, you'll find the suppressor, a 5/8x24 direct-thread adapter, a tube clamp for mounting options, and documentation. The suppressor performs at its rated level when kept under 800 degrees, making it suitable for sustained fire and match applications where heat buildup is a real concern.
| Model | Hydrogen K |
| Material | Grade 5 Titanium |
| Length (without mount) | 5 inches |
| Weight (without mount) | 6.7 ounces |
| Outside Diameter | 1.625 inches |
| Front Thread | 5/8x24 (direct-thread) |
| Rear Thread | 1.375x24 (universal) |
| Construction Type | Tubeless |
| Temperature Rating | 800 degrees Fahrenheit (full-auto rated) |
| Measured Performance | 142 dB on 16-inch .308 Winchester |
You'll receive the suppressor itself, a 5/8x24 direct-thread adapter, a tube clamp for mounting flexibility, instructional documentation, and Otter Creek Labs stickers.
Yes. The Hydrogen K is designed for lightweight hunting rigs, short-barrel platforms, and training drills. The 5/8x24 direct-thread adapter ships with the suppressor and threads directly onto compatible barrels.
The suppressor features industry-standard 1.375x24 universal rear threads, allowing you to choose from aftermarket mounting systems that best suit your setup. The direct-thread adapter and tube clamp are included for traditional direct-thread and quick-detach mounting.
The tubeless, weight-reduced design creates approximately 10% more surface area relative to its weight, which improves heat dissipation. This design sheds heat faster and cools quicker between shots—critical for sustained fire and competitive shooting where thermal buildup matters.
Otter Creek Labs
The Otter Creek Labs Hydrogen K is a lightweight titanium suppressor built for hunters and precision shooters who refuse to compromise on handling or heat management. Threaded 5/8x24, this direct-thread silencer delivers serious noise reduction without the bulk—at 6.7 ounces and 5 inches long (without mount), it's engineered to keep your rifle balanced and quick in the field. Whether you're running a lightweight hunting rifle, short-barrel 300 Blackout, or drilling with your 5.56, the Hydrogen K offers full-auto rated performance with an aggressive weight-reduction design that sheds heat faster than traditional suppressors, so it stays cooler longer between strings.
The Hydrogen K's unique tubeless construction uses grade 5 titanium throughout, removing unnecessary material to maximize strength while minimizing weight. That philosophy delivers roughly 10% more surface area than conventional suppressors, which means better suppression and superior cooling efficiency. The 1.625-inch outside diameter keeps the profile sleek, and the industry-standard 1.375x24 rear threads give you flexibility to choose your preferred mounting system rather than locking you into proprietary hardware.
Inside the box, you'll find the suppressor, a 5/8x24 direct-thread adapter, a tube clamp for mounting options, and documentation. The suppressor performs at its rated level when kept under 800 degrees, making it suitable for sustained fire and match applications where heat buildup is a real concern.
| Model | Hydrogen K |
| Material | Grade 5 Titanium |
| Length (without mount) | 5 inches |
| Weight (without mount) | 6.7 ounces |
| Outside Diameter | 1.625 inches |
| Front Thread | 5/8x24 (direct-thread) |
| Rear Thread | 1.375x24 (universal) |
| Construction Type | Tubeless |
| Temperature Rating | 800 degrees Fahrenheit (full-auto rated) |
| Measured Performance | 142 dB on 16-inch .308 Winchester |
You'll receive the suppressor itself, a 5/8x24 direct-thread adapter, a tube clamp for mounting flexibility, instructional documentation, and Otter Creek Labs stickers.
Yes. The Hydrogen K is designed for lightweight hunting rigs, short-barrel platforms, and training drills. The 5/8x24 direct-thread adapter ships with the suppressor and threads directly onto compatible barrels.
The suppressor features industry-standard 1.375x24 universal rear threads, allowing you to choose from aftermarket mounting systems that best suit your setup. The direct-thread adapter and tube clamp are included for traditional direct-thread and quick-detach mounting.
The tubeless, weight-reduced design creates approximately 10% more surface area relative to its weight, which improves heat dissipation. This design sheds heat faster and cools quicker between shots—critical for sustained fire and competitive shooting where thermal buildup matters.
