what brand of spring is it?
what type of battery do you have?
what beand of gun is it?
what brand of gearbox?
what parts are in the gearbox (reinforced or not)?
provide more info and well help u better
generally, with a higher tension spring you should be using a strong battery such as a 9.6v+. Also, with a higher tension spring you should have if u dont already, reinforced gears and metal bushings, metal ball bearinf spring guide and ideally a sorbo pad...
again, provie more info about ut gun, wat u want done etc...
Last edited by BORDENSNIPER; November 20th, 2009 at 23:07..
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