Original U.S. WWI/WWII Named Model 1918 Mark 1 Trench Knife Paratrooper Modified with 44th Infantry Division Marked Custom Leather Scabbard - Au Lion MG 34 Barrel Jacket Assembly The Ki-21 proved to be

The Ki-21 proved to be more successful than the BR

with the 8th Air Force in England receiving an initial issue of B-10 Flight Jackets with the corresponding A-9 Trousers

It's possible that this was mismarked

The sight is fully functional

and on the back of the cylinder 570

Original U.S. WWI/WWII Named Model 1918 Mark 1 Trench Knife Paratrooper Modified with 44th Infantry Division Marked Custom Leather Scabbard - Au Lion MG 34 Barrel Jacket Assembly The Ki-21 proved to beOriginal Item: Only One Available. The U. S. Model 1918 Mark I Trench Knife was the second major "Knuckle Knife" to be officially adopted and issued to the US military. It was developed for use in the horrific trench warfare that typified the stalemate on the Western Front during the latter part of World War One and saw use not only there, but during World War Two as well. The knife was manufactured in the United States by Henry Disston & Sons (H. D.