Offered: air pressure gun model Tempest, manufactured by Webley & Scott in England. Numbered: 204833. Calibre is 4,5 mm (.177) well finished, compact and powerful air pistol. is strained by folding the barrel. by the long stroke, which requires some power, a good pressure is built up. the Webley Tempest has a hardened steel drawn barrel. the metal keep-grain visor is adjustable on the side op de keep. equipped with a safety catch (usable only when strained). right handed handle with an ergonomic thumb rest. adjustable tractor by hex nut behind the trigger starting speed is 128 meters per second. (420 FPS). barrel length 17.4 cm Total length 23.2 cm approximate weight: 900 grams Please see photos.