Ross Model 10....

[jjroth]

what to know about it?
How different from the service variant used the Canadian forces in WWI?

Information

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[jmoore]

Had a model 10 sporter in 280 Ross caliber some years back. Functionally, it had the interrupted thread multi-lug bolt, much like the ones most seen on the Front. I think I managed ONCE to assemble it improperly, but it took a lot of effort with pulling and twisting and forcing things to do it. Not something I'd worry about. I have seen a couple of multi-lug Rosses with broken (or chipped) L/H rear lugs from hitting the bolt stop.

Never managed to wrongly assemble my WWI Ross bolt- shoots great, too!

The other Ross I owned was a two lug target rifle (don't remember the exact variant right now) that had such a washed out throat it wouldn't group better than 5" at 100 yards. (Which is the only reason I finally sold it.)

I'm sure others have much more detailed info than I!

[tiriaq]

The action of a M10 sporting rifle is essentially the same as that of a Mk. III service rifle. As far as I know, the receivers are identical. The magazine assemblies are different, as is the boltface.

[Ax.303]

It seems that the bolt faces are also the same. I had always thought they were different as the .280 rim is larger than the .303. I was visiting a friend the other day and stated just that. He proceeded to pull out his M-10(.280) & 2 MK IIIs. A .280 cartridge fit all three perfectly. .303 fits loose. I did the same thing later with my M-10 & MK III same deal.

[smellie]

The actions of the .303 and the .280 are identical. The factory just made ACTIONS and then finished them to whatever they needed at that time. This is, of course, for the "M-1910" rifles, otherwise known as the "Mark III". There was also a transitional action, basically a 1905 action with multiple lugs, which was entirely different and made only for the .280. But the 1910 actions were identical.

They are the strongest bolt-rifle action ever made. The 1905 action was rated at 100,000 pounds in actual tests and didn't let go. The 1910 action has more than 3 times the locking area and was tested at 125,000 pounds pressure and came through undamaged, even though the barrel was toast. They didn't go any higher because they couldn't build more pressure than that with the powders available.

I think that says a fair bit for the rifles.
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