Daisy Pellet - BB Pistol 617X. The 617X CO2 Pistol features a truly unique 6-shot rotary clip capable of housing .177 (4.5mm) Pellets or BBs. Six shots can be fired from this CO2 powered semi-automatic as fast as the trigger can be pulled. The rapid fire fun makes it the perfect target training gun for any application. The maximum shooting distance of the 617X is 280 yards with a maximum muzzle velocity of 485fps from a rifled steel barrel. Featuring a TRUGLO fiber optic front sight and rotary hammer block safety, this handsome pistol will keep you on target every time