Originally Posted by Droc
have yet to scrim with mine, but I added a MS120sp so I should be around 400fps. Chronied it and im sub 200fps. word has it, the hopup is 3mm to far forward and needs a washer to seat it against the mechbox properly. Will report back when I get it right.
problem seems to be the air seal. i took apart the mechbox again and check the piston head...not the best quality and it was dried out...same with the cylinder head. I lubed them up and FPS flew right up to 400fps. Still, I ordered a new piston head and nozzel.