Original U.S. Vietnam War Empty / Inert Composition C-4 Block MG 42 Bolt & Barrel Assembly The original marking looks to

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

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

Guy passed away in 2010 and a link to his obituary can be found at this link

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The reason the mask had a longer hose was than before was because some of the branches of the British military like the RAF found out that the way the mask was chest carried was too restrictive

Original U.S. Vietnam War Empty / Inert Composition C-4 Block MG 42 Bolt & Barrel Assembly The original marking looks toOriginal 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