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Old July 21st, 2011, 13:01   #7
THEMAKKER13
 
Join Date: Jul 2010
1 Joule is 328 fps, so 1.1 Joules is not 320 fps. I would recommend a Guarder M115 spring. I know I was getting 380 fps out of an M110 in my G&G Combat Machine and they would probably pretty similar so you have a reference.
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