The KRISS Vector Gen 3 SBR is the smallest rifle variant in the Vector family. The short barrel in conjunction with the adjustable stock allow for quick transitions when firing rapidly between multiple targets. With a redesigned upper housing the Gen 3 SBR accepts aftermarket pistol grips. The lower housing has been refreshed for improved hand support. – The KRISS Vector Gen 3 SBR is fed with full size Glock® magazines allowing for a wide range of high capacity options. – Features – Interchangeable AR15 / M16 Pistol Grip – Interchange Ambidextrous Magazine Release – KRISS Ambidextrous Telescopic Folding Stock – Skeletonized Trigger with 0.7mm Pre-Travel – Ambidextrous Short Throw Safety Lever – Gen 3 Low Profile Upper Housing – Gen 3 Bolt Release and Mounting Block – Full Length MIL-STD 1913 Picatinny Top Rail – Short Charging Handle / Brass Check Function – 4-Pin Tool-Less Disassembly – Caliber 45ACP – Model Vector SBR – Action Semi-Automatic – Operating System Closed Bolt Delayed Blowback – Barrel Length 5.5 in / 139.7 mm – Overall Length Collapsed 24.25 in / 615.9 mm – Overall Length Extended 26.2 in / 665.9 mm – Magazine(s) included (1) 30 Rounds – Color Black – Weight 6.4 lbs / 2.9 kg – Barrel Material 4140 Chrome Moly – Barrel Finish Black Nitride (QPQ) – Barrel Threading .578×28 RH – Trigger Type Pivoting Single Stage – Stock KRISS Ambidextrous Telescopic Folding Stock