necessary...no, it's designed to work without it. That being said, some people do skim them. Shoot it first. If it meets your standard, great. If not, skim it.
<div class="ubbcode-block"><div class="ubbcode-header">Originally Posted By: smboudreaux</div><div class="ubbcode-body">with that being said skimming should make the rifle more accurate, correct? </div></div>