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

eagle27
.400 member

Reged: 24/01/09
Posts: 1165
Loc: Rolleston, Christchurch, New Z...

Re: 10,75x68 Barrel length.
18/06/09 07:02 PM

The original twist for Mauser barrels in 10.75x68 was 14.17" and the groove size (bullet diameter) was .423”. The 404 Jeffery cartridge was designated 10.75x73 when loaded in Europe so presumably the barrels for this cartridge were the same as used for the smaller Mauser cartridge as is the bullet diameter.

My own original Oberndorf Sporter Mauser opened up to 404 Jeffery from 10.75x68 shoots accurately and stabilises all weights of 10.75 and 404 bullets both of early manufacture and later manufacture.

John Taylor advocated 22” or better still 20” barrels for DG bolt actions as the small loss in velocity that would be experienced in shorter barrels with these heavy bullets still leaves adequate energy. The rifle is handier for use in brush or long grass but depending on the weight of the stock, the overall balance of the rifle could be upset if lopping the barrel too much.

Hope this helps.

Post Extras

Entire topic
Subject	Posted by	Posted on
10,75x68 Barrel length.	3006swift	16/06/09 09:27 PM
Re: 10,75x68 Barrel length.	grandveneur	17/06/09 01:08 AM
Re: 10,75x68 Barrel length.	9.3x57	17/06/09 01:49 AM
Re: 10,75x68 Barrel length.	9.3x57	17/06/09 02:09 AM
Re: 10,75x68 Barrel length.	3006swift	17/06/09 04:58 PM
Re: 10,75x68 Barrel length.	9.3x57	18/06/09 03:44 AM
Re: 10,75x68 Barrel length.	500Nitro	18/06/09 03:48 AM
Re: 10,75x68 Barrel length.	9.3x57	18/06/09 10:20 PM
Re: 10,75x68 Barrel length.	400NitroExpress	11/07/09 12:42 PM
Re: 10,75x68 Barrel length.	9.3x57	11/07/09 02:05 PM
Re: 10,75x68 Barrel length.	400NitroExpress	11/07/09 02:34 PM
Re: 10,75x68 Barrel length.	escard	19/06/09 05:27 PM
Re: 10,75x68 Barrel length.	3006swift	19/06/09 10:52 PM
Re: 10,75x68 Barrel length.	Rolf	11/07/09 06:52 AM
Re: 10,75x68 Barrel length.	mehulkamdar	19/06/09 03:10 AM
Re: 10,75x68 Barrel length.	3006swift	18/06/09 05:30 AM
Re: 10,75x68 Barrel length.	eagle27	18/06/09 07:02 PM
Re: 10,75x68 Barrel length.	eagle27	18/06/09 08:41 PM
Re: 10,75x68 Barrel length.	500Nitro	16/06/09 10:39 PM

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