The KRISS Vector CRB Enhanced Gen II is the latest edition of the semi auto version of the full auto KRISS Vector SMG. Comes complete with low profile folding sights. A full length top Picatinny rail provides space for optics, and a lower rail provides room for the included vertical foregrip and hand stop. This model includes a KRISS M-4 stock adapter and DEFIANCE M-4 stock, and uses standard GLOCK magazines. - CALIBER .45 ACP - MAGAZINE (1) 13rd capacity - BARREL 5.5" 9/16x24 threaded barrel, black nitride finish - SIGHTS Low profile folding - STOCK KRISS M-4 stock adapter and DEFIANCE M-4 - FINISH Combat Grey