The Storm rifle again has all the features of the Stealth but with an 18 (45cm) Lothar Walther match grade The firing system is ergonomically designed with an automatic safety and easily accessible safety release, two stage trigger, an over-sized cocking knob, a large pellet loading port and a burst disc to prevent over filling on the tank. Power AdjustmentFactory fixed or user adjustable (where permitted) Fill Pressure3000psi / 200 bar ActionSingle shot Weight5.5Ibs (2.5Kg) Length33 inches (84cm) Barrel18 Inches (45cm) Lothar Walther premium match Calibre .22 Trigger2 stage adjustment for position and over-travel SightsOpen sights or scopes may be fitted Air Tank Volume490cc SafetyAutomatic on cocking can be reset by pushing cocking knob completely forward