Original U.S. WWI Extremely Rare Inert Mk. I Defensive Grenade with WWII M10A2 Fuze MG 42 Bolt & Barrel Assembly Royal Engineers (Railway)

Royal Engineers (Railway)

The machine embroidered breast eagle is originally applied by hand

With the beaches secure

as the aluminum used to manufacture these typically doesn’t stand up well to wear and the elements

1007 Winsor Court

Original U.S. WWI Extremely Rare Inert Mk. I Defensive Grenade with WWII M10A2 Fuze MG 42 Bolt & Barrel Assembly Royal Engineers (Railway)Original 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.