The freebore in my new factory 7mm RUM Sendero seems excessive to the point I can't seat a bullet to touch the lands. Its still fairly accurate (3/4" at a hundred with minmal load development). Clymer lists .220" freebore for their standard 7mm RUM reamer, but about half that for their 300 RUM reamer????. I realize its purpose is to reduce pressure/increase velocity, but wondered what freebore those of you with rebarreled guns were using. Could any of you with match barrels in RUM (any caliber) chambering comment on how much freebore (if any) your using? Thanks.