Vietnam War M3A1 *Grease Gun was outdated for frontline duty, but
nevertheless it was distributed to South Vietnamese irregular troops,
such as Civil Guard, for combat duty. Thanks to it’s compact size
American helicopter pilots carried M3A1 Grease Gun, in addition of their
pistols, for the grave situation of being shot down behind enemy lines.
Other US users included USMC and US Army special forces. Captured
samples were employed by Vietcong. M3A1 Grease Gun was even copied by
communist China who manufactured with model name Type 64. This example
found on the Ho Chi Minh trail near Ta Oy.
*I had to leave one when I was evacuated along with a chrome plated AK-47, a field recovered,
rough AK-47, a M-2 carbine, a Chinese Communist's officer's pisto and a