PP-90
The PP-90 is a Russian 9 mm folding submachine gun , developed by the KBP Instrument Design Bureau in Tula for use with special units of the Russian Ministry of Internal Affairs ( MVD ) . 
<triplet> PP-90 <subj> submachine gun <obj> subclass of <subj> KBP Instrument Design Bureau <obj> manufacturer <triplet> folding <subj> submachine gun <obj> subclass of