Very cool project. Not sure I could've cut the barrel for the new fore end but you did a professional looking job.
Semi-related: I once had an email conversation with (the late) Chuck Hawks -- who was surprisingly friendly and willing to chat -- and he was adamant that the 444 wasn't a bison cartridge under any circumstances. I figured with modern bullets and at reasonable range it would drop a medium-sized dinosaur. But I think to folks who watched people use pistol bullets back in the day, the 444 is just frozen in time.
