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Shooting & Reloading - Mausers, Big Bores and others >> Big Bore Rifles
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xausa
.400 member


Reged: 07/03/07
Posts: 2037
Loc: Tennessee, USA
Re: .375 H & H or .375 Weatherby ?
      31/08/07 12:27 AM

In my opinion the idea of a tapered case being less likely to cause extraction problems is incorrect, especially in double rifles. My Krieghoff .458 DR extracted flawlessly, but the same rifle, with .375 H&H barrels fitted, had real extraction problems.

My analysis was that the action flexed slightly at the moment of highest pressure, creating the equivalent of slightly excessive headspace, then sprang back, wedging the tapered case firmly in the chamber. I think that the perhaps counterintuitive universal experience is that parallel sided cases extract easier.

The real benefit of gradually tapered cases is in feeding. Both the .375 H&H and its progeny, the .300 H&H, feed flawlessly through Mauser type double row magazines.

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Entire topic
Subject Posted by Posted on
* .375 H & H or .375 Weatherby ? Weatherby 11/08/07 07:17 PM
. * * Re: .375 H & H or .375 Weatherby ? AzGuy   12/08/07 12:44 PM
. * * Re: .375 H & H or .375 Weatherby ? Weatherby   16/08/07 10:51 PM
. * * Re: .375 H & H or .375 Weatherby ? DarylS   17/08/07 12:35 AM
. * * Re: .375 H & H or .375 Weatherby ? ALAN_MCKENZIE   17/08/07 01:10 AM
. * * Re: .375 H & H or .375 Weatherby ? hoppdoc   17/08/07 02:49 AM
. * * Re: .375 H & H or .375 Weatherby ? Schamankungulo   17/08/07 04:17 AM
. * * Re: .375 H & H or .375 Weatherby ? 260rem   23/08/07 07:38 PM
. * * Re: .375 H & H or .375 Weatherby ? farshot   29/08/07 03:46 AM
. * * Re: .375 H & H or .375 Weatherby ? livinus   29/08/07 06:23 PM
. * * Re: .375 H & H or .375 Weatherby ? DarylS   05/09/07 04:01 AM
. * * Re: .375 H & H or .375 Weatherby ? xausa   31/08/07 12:27 AM
. * * Re: .375 H & H or .375 Weatherby ? 400NitroExpress   01/09/07 04:08 AM
. * * Re: .375 H & H or .375 Weatherby ? TerryR   31/08/07 06:04 AM
. * * Re: .375 H & H or .375 Weatherby ? Plains99   30/08/07 12:27 AM
. * * Re: .375 H & H or .375 Weatherby ? ozhunter   12/08/07 12:11 AM
. * * Re: .375 H & H or .375 Weatherby ? DarylS   12/08/07 01:19 AM
. * * Re: .375 H & H or .375 Weatherby ? Ripp   12/08/07 01:46 AM
. * * Re: .375 H & H or .375 Weatherby ? xausa   12/08/07 01:56 AM
. * * Re: .375 H & H or .375 Weatherby ? Ripp   12/08/07 02:08 AM
. * * Re: .375 H & H or .375 Weatherby ? hoppdoc   12/08/07 05:07 AM
. * * Re: .375 H & H or .375 Weatherby ? Rolf   12/08/07 06:52 AM
. * * Re: .375 H & H or .375 Weatherby ? 9.3x57   12/08/07 10:38 AM
. * * Re: .375 H & H or .375 Weatherby ? ozhunter   12/08/07 11:01 AM
. * * Re: .375 H & H or .375 Weatherby ? chuck375   13/10/07 11:25 PM

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