OX MAINSPRINGS & ACCELERATORS
  • The World's NO.1 square spring. The perfect replacement or upgrade for standard mainsprings. 
  • The Worlds NO.1 square spring with molybdenum & PTFE for up to 40% more compressed poundage than conventional mainsprings.
  • NOTE: may take rifles to over 12ftlbs.  
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OX MAIN SPRING

The World's 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 16/20, 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, HW(&, Feinwerkbau Sport, Also larger original models if ultimate power required 
  • NO7 FITS - ASI Sniper, Magnum (and all other ASI models) Diana 79 and Gamo

OX ACCELERATOR

The Worlds NO.1 square spring with molybdenum & PTFE for up to 40% more compressed poundage than conventional mainsprings. NOTE: may take rifles to over 12ftlbs.  

  • 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 16/20, 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, HW(&, Feinwerkbau Sport, Also larger original models if ultimate power required 
  • NO7 FITS - ASI Sniper, Magnum (and all other ASI models) Diana 79 and Gamo