OCL Hydrogen K Titanium Suppressor | 6.5 | HYDK65

The Otter Creek Labs Hydrogen K is a compact titanium rifle suppressor configured for 6.5-caliber use. It measures five inches overall and is constructed from Grade 5 titanium with a black Cerakote-style finish. The unit is offered with a 5/8×24 direct-thread adapter and a tube clamp in the box, and it is specified as full-auto rated when used within published temperature limits.

Product Specifications

• The manufacturer is Otter Creek Labs (OCL).
• The model is Hydrogen K.
• The manufacturer part number is HYDK65.
• The listed caliber is 6.5.
• The material is specified as titanium (Grade 5).
• The finish is listed as Black / Cerakote.
• The overall length is 5 inches.
• The outside diameter is 1.625 inches.
• The weight is 6.7 ounces (no mount).
• The product is noted as full-auto rated when used within the manufacturer’s temperature guidance.
• The package includes a 5/8×24 direct-thread adapter and a tube clamp.
• The suppressor is described as a tubeless design intended for lightweight performance.
• The unit is marketed for applications such as precision/PRS-style shooting and lightweight hunting rigs.
• The UPC is 664533654071.

Designed to minimize weight while retaining structural strength, the Hydrogen K suits shooters seeking a compact, lightweight suppressor for match rifles or short-barrel hunting builds. Its reduced mass and increased surface area are intended to shed heat more quickly, and the included adapter and clamp provide common mounting options out of the box.