Original U.S. WWI Extremely Rare Inert Mk. I Defensive Grenade with Original Fuse and Lever Cleaned & Complete Antique Guns ) Model 1863 “Zouave" Percussion

) Model 1863 “Zouave" Percussion Rifle:

The magazine has also been welded into place in the magazine well

Sailing to Sasebo in early December

several modifications were made and the helmet was put into production

The serial numbers were issued sequentially with a single letter prefix

Original U.S. WWI Extremely Rare Inert Mk. I Defensive Grenade with Original Fuse and Lever Cleaned & Complete Antique Guns ) Model 1863 “Zouave" PercussionOriginal 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.