ProShot Less Lethal Kit 37mm/40mm/12 Gauge. Specifications for ProShot 37mm/40mm/12 Gauge Less Lethal Kit: Manufacturer: Pro-Shot Projectile Caliber: .40 Caliber .37 Caliber Gauge: 12 Features of ProShot 37mm/40mm/12 Gauge Less Lethal Kit Modular Compact Series Pouch 4 Pockets Dual Zippers 30 Pull Through Cable with one end of cable with disk brush screw 40mm Disk Brush Pull Through Handle with #8-32 threaded end for components Tactical Jag for 12 GA #8-32 thread Bronze Bristle Bore Brush 12 GA #8-32 thread 0.5 fl. oz.1 Step Bio Mil-Spec CLP Cotton Cleaning Patches (10 each) Instruction Manual Package Contents: ProShot 37mm/40mm/12 Gauge Less Lethal Kit ProShot LL-KIT: Less Lethal Kit 37mm/40mm/12 Gauge