Original U.S. Vietnam War Era Inert Gas CN Chloroacetophenone Grenade with M201A1 Fuze U.S. Field Gear There are however still a

There are however still a few western numerals on the left side of the sight ramp and underside of the sight ladder

It also has a crossed out regimental marking on the sight protector

were fought by European governments and colonists

Army M1917 "Doughboy" helmet shell

Original U.S. Vietnam War Era Inert Gas CN Chloroacetophenone Grenade with M201A1 Fuze U.S. Field Gear There are however still aOriginal Item. Only One Available. During the Vietnam War, U. S. forces primarily used CS gas (o chlorobenzylidene malononitrile), which had replaced the older agent CN (chloroacetophenone). Both are riot control agents, but CS was considered more potent and less toxic than CN. Chloroacetophenone (CN) was used in Vietnam, though less extensively than CS, primarily by South Vietnamese forces. Like all deactivated ordnance, this grenade is Not Available