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Shooting & Reloading - Mausers, Big Bores and others >> Big Bore Rifles
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4seventy
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Reged: 07/05/03
Posts: 2210
Loc: Queensland Australia
Re: Brnos & CZ550s in 458WM
      08/12/09 08:54 AM

Perhaps the Woodleigh PP bullets, 500 or 400 grain, could solve a lot of the feed dramas in these rifles. PP's were not available when I was using my Brno .458, so I never had the chance to try them in it.
They have a spitzer ogive with no exposed lead at the nose, so it should be way easier to get them to feed nicely, compared to the round nose profile bullets.

The .458 is capable of really flattening the exposed lead on round nose projectiles (in the magazine) from recoil, and this can create more feed problems, that might not show up when using dummy rounds.
Also the rounds in the mag can/will move forward from recoil in that long magazine.

A spacer at the front of the magazine which keeps the cartridges to the rear, plus the use of PP projectiles, plus some fine tuning of both the follower angle and spring tension, should get things working properly.
I'm sure you will get it sorted out soon.
Best of luck with it.

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Entire topic
Subject Posted by Posted on
* Brnos & CZ550s in 458WM mauserand9mm 23/11/09 02:38 PM
. * * Re: Brnos & CZ550s in 458WM 9.3x57   23/11/09 02:46 PM
. * * Re: Brnos & CZ550s in 458WM mauserand9mm   23/11/09 02:53 PM
. * * Re: Brnos & CZ550s in 458WM DGR375   23/11/09 07:14 PM
. * * Re: Brnos & CZ550s in 458WM mauserand9mm   23/11/09 11:15 PM
. * * Re: Brnos & CZ550s in 458WM 9.3x57   24/11/09 12:33 AM
. * * Re: Brnos & CZ550s in 458WM gwindrider1   24/11/09 04:17 AM
. * * Re: Brnos & CZ550s in 458WM mauserand9mm   24/11/09 09:50 AM
. * * Re: Brnos & CZ550s in 458WM 9.3x57   24/11/09 01:03 PM
. * * Re: Brnos & CZ550s in 458WM Con   29/11/09 03:46 PM
. * * Re: Brnos & CZ550s in 458WM 4seventy   29/11/09 09:54 PM
. * * Re: Brnos & CZ550s in 458WM Homer   30/11/09 02:06 PM
. * * Re: Brnos & CZ550s in 458WM Con   30/11/09 11:33 PM
. * * Re: Brnos & CZ550s in 458WM mauserand9mm   07/12/09 09:33 PM
. * * Re: Brnos & CZ550s in 458WM 4seventy   08/12/09 08:54 AM
. * * Re: Brnos & CZ550s in 458WM chuck375   08/12/09 05:44 PM
. * * Re: Brnos & CZ550s in 458WM mauserand9mm   09/12/09 03:03 PM
. * * Re: Brnos & CZ550s in 458WM bwananelson   10/12/09 12:28 AM
. * * Re: Brnos & CZ550s in 458WM mauserand9mm   10/12/09 09:58 AM
. * * Re: Brnos & CZ550s in 458WM Con   11/12/09 12:09 PM
. * * Re: Brnos & CZ550s in 458WM mauserand9mm   11/12/09 02:13 PM
. * * Re: Brnos & CZ550s in 458WM Con   11/12/09 11:04 PM
. * * Re: Brnos & CZ550s in 458WM kamilaroi   12/12/09 10:58 AM
. * * Re: Brnos & CZ550s in 458WM Con   12/12/09 11:45 AM
. * * Re: Brnos & CZ550s in 458WM 458ONLY   17/12/09 06:37 AM
. * * Re: Brnos & CZ550s in 458WM bwananelson   07/12/09 10:53 PM

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