e/Manville gun

Information
has gloss	eng: The Manville gun was a stockless, cylinder-fed, semi-automatic weapon created by Charles Manville. Manville designed the weapon for 12-gauge, 26.5 mm, and 37 mm shells.
lexicalization	eng: Manville gun
instance of	(noun) a portable gun; "he wore his firearm in a shoulder holster" piece, small-arm, firearm