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Old September 25th, 2011, 09:25   #2
AngelusNex
formerly Sepulcrum
 
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Join Date: May 2007
Location: Kingston,ON, aka Funkasia
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the 249 has a quick and easy spring swap feature. you remove the stock and unlock the spring guide (so long i can't remeber how exactly) and the spring comes out the back, replace it with a M110 to give you 380-400 fps.
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