Now that I've aged into my 80's, reality says it's time to come down out of the trees. I'm putting a soft side ground blind onto a platform, set at bow range next to a food pot. I'll be mounting a shower rail inside, next to the door to aid in entry and exit. Having almost no shoulder strength left after 3 rotator cuffs, I'm limited to crossbow. My question is, what adjustment should I expect on bolt performance shooting through (Double Bull) window mesh? I really don't want to have to throw a dozen fixed blades through the mesh if there's another way. Ranges will be 15 - 30 yards, from an older (not 400 fps) Horton 175 bow. A follow on question is, do you know if Primos sells replacement window mesh (just in case I HAVE to shoot a bunch of practice rounds)?