グリースガン M3 M3A1 M3サブマシンガン
The M3 "Grease Gun" is a [[World War II]]-era .45 ACP [b][[submachine gun]][/b] introduced by the US [[military]] as a less expensive substitute for the [[Thompson submachine gun|Thompson submachine guns]], with most of its parts made of stamped metal. Entered service in 1943, the [[gun]] also saw service during the [[Korean War]] and [[Vietnam War]]. 

Identifying details include a straight [[magazine (weapon)|magazine]] well/foregrip, barrel with no sight post, cylindrical body, and retractable wire buttstock.

h4. See also
* [[List of weapons]]
* [[M3 (Girls' Frontline)]]
* [[M50 Reising]]

h1. External links
* "Wikipedia: M3 submachine gun":https://en.wikipedia.org/wiki/M3_submachine_gun
m3 submachine gun