Military issued M1 Gas Mask. This is not the civilian issued MC1 gas Mask. The military issued M1 design has the internal mouth cover to prevent your lenses from fogging during use. Issued to personnel Between 1960s to late 1995
- The mask is made of a light greenish blue rubber
- Light O.D metal for the lense rims.
- 6 Point elasticated head strap
- Size S is Super Grade with filter
- Size M is Unissued and still in packaging, as is the filter