That is done right! What bullet are you going to run? When I shoot the barrel out of my current stw I will rebarrel and wanted the longer coal to get that bullet out of the powder column. That's one heck of a bang stick sir enjoy!It's a AG Composites Chalkbranch
Max is at 4.076" and that's jammed in the lands
My coal is 4.068" and that will have roughly a .008" jump