Ox Red Mainspring No5

Ox Red Mainspring No5 The Worlds NO.1 square spring. The perfect replacement or upgrade for standard mainsprings. NO1 FITS - BSA Airsporter, Lightning, Anschutz 335, Original 35, 38, 45, 50, RWS 24, 27, 34, 45, 50 reium, HW50, HW55, HW57, HW85, HW90, HW99, Haenel Lion, ASI CF 1620, Webley Mk3 if the spring guide is reduced by 20 thou NO2 FITS - BSA Meteor, HW57, Milbro Diana G80 and 27, Norica, Baikal NO3 FITS - BSA Superstar 12ftlbs only, Webley all models NO4 FITS - HW35 Diana Orig RWS 52, 48 NO5 FITS - HW80, Webley Eclipse NO6 FITS - HW77, HWand, Feinwerkbau Sport, Also larger original models if ultimate power required NO7 FITS - ASI Sniper, Magnum and all other ASI models Diana 79 and Gamo