Originally Posted by DryFlyGuy
At 73 pound draw, I am guessing the spine of his arrows has to be a minimum of 340. I've shot a 340 spine arrow at 72 pounds with 125gr broadheads, and they flew fine. You are absolutely right if the spine is much weaker than that.
Well I went with the 125 grain all stainless Muzzys. With a 435 grain arrow I'm getting 276 fps for 72.5 KE, that should work for moose. Shoots a litte tighter than the 90 grainers...bonus.