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Fps issues
Hey guys, been baffled by my vfc scar L, here is what i have in it
stock rubber, madbull 6.03 366mm tight boar, modify double o ring cylinder head, type 1 ported modify cylinder, modify aluminum piston head, madbul green piston, and modify nozzle and i know crazy a madbull 130 spring.
I expected it to be over 400 fps, there is zero air leak, and it it is only shooting 350-358 with .20 I can't think of anything else it could be.
Is it possible due to the such tight air seal its decreasing fps? as strange as that sounds, I have never had this issue before. I had a 120 spring in there and it was 330 fps. when it should be close to 400.
any thoughts, anyone can think of would be great.
thanks
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