Original U.S. Vietnam War Empty / Inert Composition C-4 Block MG 42 Bolt & Barrel Assembly This WWI German steel helmet

This WWI German steel helmet was developed by the Army Detachment Gaede

(Eagle's Head)

Targets included U-boat installations at Kiel

The original marking looks to be O A I M K 1

Original U.S. Vietnam War Empty / Inert Composition C-4 Block MG 42 Bolt & Barrel Assembly This WWI German steel helmetOriginal Item: Only One Available. These 1 2 lb C 4 bricks were used by various Army, Navy, and Marine engineers and demolitions units. C 4 is very stable and insensitive to most physical shocks. C 4 cannot be detonated by a gunshot or by dropping it onto a hard surface. It does not explode when set on fire or exposed to microwaves. Detonation can only be initiated by a shockwave, such as when a detonator inserted into it is fired. When detonated, C 4