Looking for some help. I have two used Max 5000's that work consistently, and I like them. However, one throws marks 25 yards every time, the other only throws them 12 to 15 yards. I don't have a manual, and can't find one, so anybody out there have any idea how I might get the short one stretched out to 20-25 yards? I just figured someone has had this issue and would know how to fix it. Thanks for any info you might have.