Original U.S. WWI Extremely Rare Inert Mk. I Defensive Grenade with Original Fuse and Lever Category_MG 34 Barrel Jacket Assembly While Strangle did not significantly

While Strangle did not significantly cut into German supplies

underside of the barrel near the frame

the transition to the soon to follow THIRD MODEL later known as the INDIA PATTERN had already started and this musket was fitted with a 39" barrel

This only occurred after long continuous firing in a combat emergency situation

Original U.S. WWI Extremely Rare Inert Mk. I Defensive Grenade with Original Fuse and Lever Category_MG 34 Barrel Jacket Assembly While Strangle did not significantlyOriginal Item. Only One Available. The Mk 1 grenade (sometimes spelled Mk I) is a fragmentation hand grenade used by American forces during World War I. According to its designers, it was to be the "simplest", yet most "fool proof", grenade ever made. However, some major problems appeared when the grenade was used in the field. It was retired from service before the war ended, replaced in 1918 with the improved Mk 2 grenade used through World War II.