Wow..bows shooting 160-180 fps how much drag really...,shoot a deer with a pass thru,1/32 of a second to exit,not sure there is enough time for drag on a fleshy animal,..24 years of this and I can tell you,shafts don't drag in real hunting situation where there is broadheads invoved,and doing all the modification on a HIT system is just for pure enjoyment,became it is a poor system.just get 5/16 shafts with a strong insert that has a lip and be done with it,the wind factor effect probably less than 10% treestand hunting,but its all the tinkering that makes it fun..