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

93x64mm
.416 member


Reged: 07/12/11
Posts: 3954
Loc: Nth QLD Australia
Re: 505 Gibbs
      04/08/22 09:19 PM

Quote:

Yes definitely, I will do a full report with pics, will have to learn how to post photos, LOL

The gun is partially in the white at the moment and there are bits under construction. When I go up to the NT the gun will be in stage 1 and I will take some pics. Then I will finish t to how I want in stage two and take some more pics. I have learned a lot about the CZ550 and how to improve it and modify it for much better function. When its all finished I will do the same to the 416 Rigby I have, also a CZ550.

One thing I have also learned is that there are many tricks and mods that must be employed to make the CZ550 handle the 505 Gibbs properly and function correctly. It is nothing like any other cartridge out there. It would be interesting to see an original Gibbs built on a Mauser action and see how it operates and any tricks that they employed.

Matt.




Matt,
could you let on what your mods were please?
I have a CZ550 in 404 Jeffery, that had an issue picking up the first round so I added a tapering block behind the follower which made the rounds sit higher at the back, works perfectly now.
I think the main issue was that the magazine spring was simply just too weak!
Apart from that I have no issues with it, recoil is stout with 400's going at 2300+fps, but I find the stock perfect for me.
A mate had one in 505 Gibbs, it shot 600gn pills to the sights perfectly at say 30-40 yards, not sure what speed they were doing but they punched thru 18" or more of gum tree & kept on going!
It had one hell of a lot of recoil, but I found it quite tolerable standing up, as did my son who was only 16-17 at the time, made him step back a few paces when he fired!
Every time I fired it i knew exactly where those bullets were going, right on the money every time, gave you a lot of confidence firing it!

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Entire topic
Subject Posted by Posted on
* 505 Gibbs zephyr 29/05/22 08:18 PM
. * * Re: 505 Gibbs NitroXAdministrator   19/06/22 04:27 PM
. * * Re: 505 Gibbs Waidmannsheil   31/05/22 07:19 PM
. * * Re: 505 Gibbs NitroXAdministrator   19/06/22 04:20 PM
. * * Re: 505 Gibbs Waidmannsheil   22/06/22 08:16 PM
. * * Re: 505 Gibbs 93x64mm   04/08/22 09:19 PM
. * * Re: 505 Gibbs Rockdoc   12/08/22 07:56 PM
. * * Re: 505 Gibbs chuck375   25/09/22 04:23 AM
. * * Re: 505 Gibbs chuck375   24/06/23 12:11 AM
. * * Re: 505 Gibbs mauserand9mm   24/06/23 11:56 AM
. * * Re: 505 Gibbs Waidmannsheil   01/07/23 05:51 PM
. * * Re: 505 Gibbs 500Boswell   02/07/23 04:44 PM
. * * Re: 505 Gibbs kuduae   25/06/23 11:22 PM
. * * Re: 505 Gibbs bwanabobftw   26/06/23 08:45 AM
. * * Re: 505 Gibbs chuck375   26/06/23 12:04 AM
. * * Re: 505 Gibbs szihn   04/08/22 03:19 PM
. * * Re: 505 Gibbs zephyr   05/06/22 08:41 AM
. * * Re: 505 Gibbs chuck375   19/06/22 08:46 AM
. * * Re: 505 Gibbs Ripp   31/05/22 08:58 AM
. * * Re: 505 Gibbs Ripp   31/05/22 09:20 AM
. * * Re: 505 Gibbs zephyr   31/05/22 09:34 AM
. * * Re: 505 Gibbs DarylS   31/05/22 09:35 AM
. * * Re: 505 Gibbs DarylS   31/05/22 09:34 AM
. * * Re: 505 Gibbs NitroXAdministrator   31/05/22 06:57 PM
. * * Re: 505 Gibbs kuduae   31/05/22 07:11 PM
. * * Re: 505 Gibbs DarylS   01/06/22 02:25 AM
. * * Re: 505 Gibbs NitroXAdministrator   29/05/22 10:30 PM
. * * Re: 505 Gibbs zephyr   30/05/22 01:15 AM
. * * Re: 505 Gibbs zephyr   30/05/22 03:23 AM
. * * Re: 505 Gibbs DarylS   30/05/22 08:30 AM
. * * Re: 505 Gibbs 93x64mm   31/05/22 06:37 AM
. * * Re: 505 Gibbs *DELETED* zephyr   29/05/22 10:05 PM
. * * Re: 505 Gibbs 3DogMike   30/05/22 12:40 AM
. * * Re: 505 Gibbs NitroXAdministrator   30/05/22 12:47 AM

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