Type Submachine gun In service never | Place of origin France Designer Louis Debuit | |
 | ||
Designed late 1940s - early 1950s Length 659 mm (25.9 in) stock extended
359 mm (14.1 in) stock collapsed | ||
MGD PM-9 was a French submachine gun, designed in the late 1940s or early 1950s by Louis Debuit. It was a delayed blowback weapon, firing from an open bolt; it used a rotating flywheel as a delaying mass for its bolt, which was highly unusual. The design was never mass-produced.
References
MGD PM-9 Wikipedia(Text) CC BY-SA