Yep, sure do. First, I would like to note that the barrel is a 15" with the muzzle tamer. This has MUCH less recoil that a standard 15" .243 I just sold. I get an honest 1" group or slightly less. I load 57.0g of H4350 (I know you said IMR, but I have a lot of the Hodgen 4350 and decided to use it) WLMR primers with the bullets seated .004 from the lands. The Barnes-X will foul the barrel quicker than say a Nosler or Hornady, but the penetration is outstanding. Should make a great boar round. I have shot a few deer with it but wasn't real pleased with the expansion. Good luck and let us know how this load shoots for you.