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Shooting & Reloading - Mausers, Big Bores and others >> Big Bore Rifles

400NitroExpress
.400 member

Reged: 26/11/03
Posts: 1154
Loc: Lone Star State

Re: .375 Win. Versus .375 2 1/2" Nitro Express
22/06/09 11:54 AM

I don't think so. I don't recall seeing the article, but sounds like the author perhaps wasn't very familiar with the .375 2 1/2" NE.

The .375 Win is a much smaller case. Length is 2.020" and base diameter is .420". The .375 2 1/2" NE is 2.5" in length, and the base diameter is .459".

The .375 Win will drive a 250 grain bullet to 1,900 fps within pressure spec. CIP MAP for the .375 Win is 4,400 BAR/63,816 PSI. SAAMI MAP was 52,000 CUP.

The .375 2 1/2" NE standard load drives a 270 grain bullet to 1,975 fps, and does it at half the pressure of the .375 Win. CIP MAP for the NE is 2,200 BAR/31,908 PSI. This cartridge was also commonly loaded with a 300 grain at 1,900 fps.

The .375 Win is extremely high pressure for a lever rifle to begin with. I don't think the difference can be picked up without dangerous pressure levels.

--------------------
"Serious rifles have two barrels, everything else just burns gunpowder."

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Subject	Posted by	Posted on
.375 Win. Versus .375 2 1/2" Nitro Express	RLI	15/06/09 10:00 AM
Re: .375 Win. Versus .375 2 1/2" Nitro Express	400NitroExpress	22/06/09 11:54 AM
Re: .375 Win. Versus .375 2 1/2" Nitro Express	RLI	22/06/09 12:58 PM
Re: .375 Win. Versus .375 2 1/2" Nitro Express	9.3x57	22/06/09 10:54 PM
Re: .375 Win. Versus .375 2 1/2" Nitro Express	DarylS	24/06/09 07:50 AM
Re: .375 Win. Versus .375 2 1/2" Nitro Express	Fritz	02/08/09 11:27 PM

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