Is the low FPS reading consistent?
Another problem may be double-feeding. When you took apart the mechbox and hop-up assembly, it shifted something.
BB gets pushed into chamber, pull trigger, and fires fine on SEMI.
In full auto, sometimes two BBs get pushed into chamber and you're getting inconsistent lower readings.
Try shooting down range at a 100ft target. If your hop-up works fine in SEMI, but some BBs drop to the floor on AUTO, it's a feeding issue.
Solution: Sector delay clip and cut the tappet plate fin to 11mm tall.
Last edited by Stealth; August 17th, 2012 at 09:39..
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