Bbs flying left.
Hey guys I recently installed a promi and polar star jack into my krytac. The nozzle on the jack looks lined up perfectly and nothing in the barrel it's squeekie clean but my bbs veer heavily to left. Like I have to aim almost a foot or two to right at 50 yards. Even had my backup m4 with e and tried swapping barrel an hop up rubber and does the same. Only thing I couldn't swap was the hop up chamber itself. Gun worked perfectly before both upgrades
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