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The .348 Winchester
Loads for a Winchester Model 71
Feature By: R.H. VanDenburg, Jr. | December, 17

Overall cartridge length accepted by the ’86 was considered to be 2.875 inches (often 2.88 inches in practice); this dimension in the Model 71 was reduced to 2.795 inches.

Not sure but the Original Winchester model 71's have a long tang and a short tang version and I'm wondering if that plays into what your talking about?
Just FYI as I'm also interested in this information.
HS 58

Here’s a couple pics of my short barreled 50-110 converted Browning 71. Unless you re-barrel, the original barrel is too thin out on the end to bore it out to .510. Added the NECG front sight and hood, and a well deserved recoil pad. Must use short nose bullets with 50-110 brass, or any bullet using 50ALASKAN brass.

I’d like to hear from someone with a 1886 50-110 regarding need for short nosed bullets.

I think that largely depends on the conversion detail. Original loadings were not loaded with long, wide nose pills. Invariably when you see original loaded cartridges, the bullets are short and have a narrow meplat. Typically they are loaded with a pill similar to Lyman 515139.

Mine can load and cycle pills loaded to 2.8” with a wide flat nose.

If you are contemplating having one built I would suggest you supply dummy rounds so the smith can fine tune the conversion to load and cycle the pills you intend to use.

I always thought that was a really neat cartridge but never seen a rifle chambered in it or a cartridge for that matter. But my late Brother who was a on and off guide for twelve years in Wyoming told a story that cracked my up. One of his best customers showed up at the ranch where my Brother kept his horses. He wanted to show him an old but slick 1886 Win that was chambered in 50-110. My Brother would have liked to shoot it but too many years of big bores knocked one of his retinas loose so he became a confirmed 220 Swift man. Anyway this guy loaded up for some demonstration shooting. He had both black powder and smokeless loads and wanted to show the rifles accuracy. First shot and he drops the gun on the log rest and starts choking. When he settled down he was embarrassed to say he forgot to remove his false teeth. I’ll never forget that story

Rick

Good day Bugger. I am shooting a new production Win 86 deluxe that I had rechambered to 50-110 from 45-70. I have tested a few different type bullets through it. The lyman 515139 and RCBS 50-450 both cycles through without issue along with Barnes original 450gr. The cast performance 525gr I had to make sure they were loaded to the very top of the crimp groove to get them to load. My biggest issue wasn’t cycling then but loading in through the gate. These are quite a large meplat bullet and they “just” fit through the gate. I’d have to check my notes on OAL of what these were loaded to.
I’d like to test out some Woodleigh 500gr but Havnt found any yet here in Canada.