Originally Posted by muzzlestuffer

you should be about .010 thou under sized of the barrel and really shouldn't size more that about .003 thou difference from size cast to final size you probably should get a new mold in that case. are you shooting round ball i should have asked that question first. 3f is ok but i would try both they say 3f for .45 cal and smaller but not always the better choice you just have to experiment with load combinations if your planning on target shooting 50-80 gr max if hunting 80-max load depending on game,possible distances and of course accuracy.