Ok, I've always used spyders and I've never had a problem I couldn't fix at the field and then keep going. At the field two weeks ago though I was playing with my Pilot ACS, and during one of the last games it just started skipping shots. I would be pulling the trigger at about 7-9 balls a second and it would only fire like three times out of those seven pulls. I could ony come up with two possible reasons. 1- The backslack was set too tight and the trigger wasn't coming all the way off the microswitch before I pulled it again. 2- The battery was low. So I adjusted the backslak until it was as loose as possible for the next game and it still skipped. Also the battery had charged for like 14 hours the night before, and is supposed to last up to 12,000 shots on semi. I wasn't screwing around with auto or burst or anything and I didn't leave it on in between games, so I couldn't have killed the battery. Any help would be great, as I am playing all day tomorrow and I don't want to have to switch to my backup again. Thanks.