Not for a good gunsmith that has some chambering experience. Too bad the gun is not here at my place, I could take it just down the road to my buddy C. P. Donnely the gun maker and he could knock it out in no time. He's been a barrel maker for 45 years. He built my .338/06 with one of his premium barrels.
The LAST thing you ever want to do is have a throat so short that a long seated bullet touches the lands and groves. The pressures are so great when it does that......it can easily blow up the barrel as you well know.
Donnely always adds a bit of extra space in his chamberings so that you can load the longest of bullets, plus some target shooters find better accuracy at times by seating bullets out a bit farther than normal.
Judy's dad had one of those Model 1917's in .45 L.C. and by using those half moon clips you could shoot .45 ACP ammo in them. There are still a few of those half moon clips laying around here. Up in teh shop I have set-up all his old reloading equipment just the way he used to have it when we reloaded together. The only difference is with my stuff set-up, iy fills the 24 foot bench from one end to the other.
Now that the weather is warmer, Judy and I need to break out some of his old guns and burn up some ammo in them. Judy loves to shoot his M1 Carbines with teh 30 round banana magazines. I wish I still had my old Ruger single action that was in .30 carbine, it would go nice with the M1's. But, you sure needed earmuffs when shooting that load sucker.
I still have a couple Lee Loaders from the '60's, one in 30-06, one in 6.5X54 that was for my old full stoked Mannlicher and a few years ago I found a first year of production Lee Loader in 12 ga. that was MIB for my old shotgun loading collection. Judy says that when we get moved into out new house we will have to get a couple old 6" glass show cases to display all our old gun stuff............but I think it would take like 4 of them! Heck, I even have a MOB chemistry set with microscope and accessories just like the one I had when I was 7 years old..........found it MIB on eBay a couple years ago and could not resist it, haha. Bekins is going to love us when we have to move!
Dave