I bought a rolling block from Simpson's and only used the action. Mac's precision gunsmithing went to work on creating the rifle with a new barrel, new walnut stock and one tight chambered 6.5x55 bench rifle. I haven't found the exact load that this baby loves, but the groups are getting tighter and tighter as I work with new powders. I shoot no gas checks and unsized bullets. Mac sure did a great job on this one for me.