I may have him do a 40cal in a 1-16 twist using a Elite 45 barrel im not using atm. 40cal is legal here for deer and them big 40cal conicals fly purty darn good too.
BTW im assuming the Scout V2 muzzle break is part of the barrel and wont just unscrew. Its not that big of a deal sabotless but it could have issues with sabots.