The PP-91 KEDR (ПП-91 «Кедр») is a Russian 9×18mm Makarov submachine gun designed in the 1970s by Yevegny Dragunov, who previously created the SVD. It utilizes simple blowback operation and has a top-folding stock. Visually similar to the OTs-02 Kiparis, but with a more rectangular sheet metal receiver shape.
This tag implicates submachine_gun (learn more).