There was a bloke from ny that had a reamer for 30-06 and for the 308 blown out to a straight wall for 44 cal. Headspace is on front of cartridge. Does any one know who he is or any one else have this service? I looked at JES site a couple times and don't see this service so I thought I would try here before I bother JES. I have spent alot of time reading about this conversion years ago and now looking for a new toy.