KRISS USA(R) Vector CRB Gen 3 is a semi auto 45 ACP rifle with a 16 in. threaded barrel and 30+1 capacity. It features an Alpine polymer receiver with Picatinny rail M-Lok barrel shroud and KRISS ambidextrous telescopic folding stock. This model uses a closed bolt delayed blowback operating system and includes one 30 round magazine cleaning kit cable lock user manual and warranty card.Key Features45 ACP semi auto rifle with 30 round magazine capacity.16 in. 4140 Chrome Moly barrel with Black Nitride QPQ finish..578x28 RH threaded barrel for compatible muzzle devices.Closed bolt delayed blowback operating system.Alpine receiver with M-Lok barrel shroud and Picatinny rail.KRISS ambidextrous telescopic folding stock.KRISS USA(R) designs innovative firearms focused on recoil reduction modularity and modern performance. The Vector platform is recognized worldwide for its unique operating system and advanced engineering tailored for tactical shooters and enthusiasts.