Be honest with yourself. If you really don't plan on shooting past 40 yds, and you do most of your killing at 30 yds, LBs would be about my last choice. They are tight at 40, and really tight at 30. I would rather have a plain old lead load of 6s (eg Winch XX) that will put 125/10 at 40 with a nice, forgiving pattern at 30.