common speed for sniper rifles is 400 to 450fps, important factor is to maintain a minimum engagement distance of at least 100 feet. Put the stock spring back in if you want to lower. That 130 spring is most likely close to the same. If you apply heat (lighter or torch) you can shrink the spring to bring down the fps; this should be done with care so you don't warp the spring. Where are you located dictates fps caps. ie: Ontario guys cap AEGS @350 and Bolt action rifles @400. The guys out west run AEGs @400fps and snipers@ ??
Last edited by Malice Army; August 22nd, 2009 at 20:43..
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