ok so I just purchased and installed a FFH in my gen 2 .25 marauder because of claims in increase in shot count and mild increase in power. I was getting 24 shots averaging 842 fps bone stock. took a long time in front of my chrono to get there. when I was looking at upgrades I looked at several hammer de bounce solutions and based on the claims went with the FFH hoping for 30 shots at 850 fps. well that didn't happen. now with the FFH adjusted to max power I'm getting 40+ (stopped at 40) shots but my fps average is now 738. 738! I accomplished the same with the bstaley mod before but I'm a hunter and that extra oomph and flatter trajectory is more important to me and my confidence in the woods. I even uninstalled and the reinstalled to make sure it was in properly. what gives? does anyone here have experience with the FFH and getting more power? i put a couple plastic spacer behind hammer and got fps back up to 830 but the shims are causing huge variances from shot to shot. never knowing poi isn't good for hunting. one shot will be 830 and the next might be 760. will putting lighter spring in valve help increase fps? kill shot count? or should I go heavier hammer spring? I'm lost and at this point I'm taking it back to stock for my 24 shot 842 fps setting. many many squirrels and other small/medium game have died to this tune. should I just stick to the if it ain't broke philosophy? not power hungry but I do want at least what I had power wise before with the bonus shots would be ideal. thanks for your time and expertise in helping me get my rifle where I want. Justin