US Early BENCHMADE Heckler & Koch HK Tactical Fighting Knife w/ Sheath. US Early BENCHMADE Heckler & Koch Tactical Fighting Knife with Sheath. Knife is solid, no loose parts. Size: 10 1/8″ total length, blade is 5″. DO NOT DUPLICATE OR COPY! The item “US Early BENCHMADE Heckler & Koch HK Tactical Fighting Knife with Sheath” is in sale since Saturday, June 24, 2017. This item is in the category “Collectibles\Knives, Swords & Blades\Collectible Fixed Blade Knives\Modern Fixed Blade\Factory Manufactured”. The seller is “older-than-dirt2008″ and is located in Milford, Michigan. This item can be shipped worldwide.