The US Army UCP K-Bar adapter is a mounting accessory designed to attach the Ka-Bar fighting knife sheath to modular load carrying systems. It allows secure integration of the knife with field gear.

• Pattern: Universal Camouflage Pattern (UCP)
• Material: Heavy duty polymer and nylon
• Compatibility: Ka-Bar knife sheaths, MOLLE gear

Issued during the UCP uniform era for carrying Ka-Bar knives on Army load bearing equipment.