Mach Sakai tries the Double Bell John Wick 4 TTI Pit Viper GBB Pistol if it is a good pistol for better accuracy and performance for a secondary. The Double Bell TTI "Pit Viper" Hi Capa 5.1” Green Gas Blowback Pistol is a CNC Alloy constructed pistol with a sleek and aggressive design that can be used for Tactical and IPSC Competition gameplay. It was specially created for use in John Wick, Chapter 4 that features optic iron sights instead of an RMR mount and has a new color scheme of Black with a Rose Gold (Copper) Outer Barrel & Iron Sights with optic fiber front sight blade.