The Kalashnikov USA KR-9 is the American made 9mm semi-automatic rifle based on the Russian Vityaz-SN submachine gun renowned for its use by Russian armed services and police. The KR-9 has a 16.25" barrel and accepts 30-round and 10-round Kalashnikov USA magazines. The KR-9 comes with a skeletonized Vityaz triangle style side folding stock, hinged top cover with attached Picatinny rail and a 1/2"-28 threaded flash suppressor.Features :Side Folding StockHinged top cover with Picatinny railFlash suppressor