Product Details Kriss Usa, Inc Vector Sbr, Gen Iii, Semi-automatic, Sbr, 45acp, 5.5" Threaded Barrel, .578x28 Thread Pitch, Matte Finish, Alpine, 3-position Adjustable Folding Stock, Low-profile Flip-up Sights, 1 Magazine, 30 Rounds Kv45-3sap00