Weihrauch HW45 Silver Star air pistol. One of the most powerful air pistols on the market. In either .177 or .22 calibres. 2 power settings. Laminated grip. Spring piston system. Fibre optic open sights with the rear being adjustable for elevation and windage. Dovetail rail. See our demo video on YouTube by searching "Derwent Air Rifles HW45"