The OKC3S Marine Combat Knife is a full‑size fixed blade engineered for durability and field performance in demanding environments. Measuring 13.25 inches overall, it features an 8‑inch carbon steel blade with a phosphate coating that reduces glare while improving corrosion resistance. The blade incorporates a partially serrated edge to enhance cutting versatility across both fine and fibrous materials, while the full‑tang construction ensures strength and reliability under heavy use.

The handle is constructed from grooved Dynaflex material in a tan finish, providing a secure, non‑slip grip in wet or high‑stress conditions. A steel guard and pommel reinforce structural integrity and control during use. The included MOLLE‑compatible polyester sheath offers secure retention and field adaptability, featuring an integrated ceramic sharpening rod for on‑the‑go edge maintenance. Designed as a rugged utility and combat‑style tool, the OKC3S delivers consistent cutting performance, durability, and practical features for users requiring a dependable fixed blade in harsh conditions.