Who would want one? It appears to be the the coming 2007 hot shot. I like the looks of this new cartridge. It would make a great large game rifle. More power than the 375H&H in an 06 length case. It would at least have to weigh 10lbs.

Suppose Ruger will make it in a #1?

Why would it have to weigh ten pounds? If it is basically the same as the .375 Taylor, a 8.8-9 pound rifle would suffice.
All I've heard is someone saw it on a TV hunting show and speculated that it was either on a .300 Win. mag. case or a .338 Win. mag. case. Searching Ruger and Hoenady web sites showed nothing.
My thoughts are the .338 Win Mag case would be the best to go with, but will Hornady screw the public again with a different belt size like they did on the .450 Marlin so that people will not be able to make up their own brass?
It certainly would be nice to have a factory round based on a necked up .338 Win. mag. case just so I could compare my handloads to a factory specimen. I hope Ruger doesn't decide to use a different sized belt for the round. being able to make up brass would certainly add to the cartridge's popularity. JMHO.
Paul B.

Well I think this cartridge is going to die for the same reason that all the other 30-06 length, 375 cartridges have. On the African plains where this cartridge would be most used, the 375H&H will just crush it do to the ever-present "ammo availabilty" issue. I just ordered a new rifle in 9.3x64 Brenneke and while researching it and cartridges like the 375 Dakota, I read alot of "well, can I buy ammo for it in Africa?" posts. I have nothing against the 375 Ruger or it's ballistics. It seems that it will have some of the same features that made me choose the Brenneke, but it isnt gonna replace the 375H&H. For that matter, for here in the States I would rather have the 9.3x64 Brenneke; I will give it some nostalgic style points. All that being said, I wish Ruger the best with what should be a ballistically sound cartridge.

Paul.
The new cartridge does not have a belt. I don't know if it is based on any other cartridge.

Yes if I was heading for Africa the 375H&H would be a better choice.

Over here ammo supply would be less critical.

Ruger brought out a # 1 Tropical in an odd ball 9.3x74R this year. I guess its ok for some exotic bragging. I might even buy one.

While the 375 H&H wins the ammo availability contest, Ruger is in the position to offer an American made controlled round 375, and with the demise of the win M-70, this IMHO will get some market share for Ruger.

The round is reportedly a new case, rimless and 0.532" at the head, so case capacity will be somewhere between the 375 H&H and the 375 RUM, likely about that of the 375 Wehterby. I can't say it'll need a 10# gun, but certainly over 8#'s and closer to 9.