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

mauserand9mm
.400 member

Reged: 03/09/09
Posts: 1041
Loc: Queensland, Australia

Re: Brnos & CZ550s in 458WM
07/12/09 09:33 PM

Picked up my 458 and ran some rounds (factory 510gn Wunchesters with the large lead tip) through the action, same ones (without firing them) in the same position in the magazine each time. The second and sixth loaded round (both sit in the left hand side of the magazine) are the ones that give problems. The sixth can be cured easily by loading to the rear of the magazine. If the second and first were at the rear of the magazine the problem was improved but not completely eliminated. I messed around with a temporary shim in the front of the magazine and it seemed to fix the problem, but the lead was badly chewed at that point and I didn't want to destroy any more projectile points.

I noticed that when second round is at the front of the magazine it will do a quick short flip up and to the right as it enters the action (I think that it may be the belt of the second round sliding off, and jumping, the belt of the first round?) and will jam inside that part of the action (as 4seventy had said). I'll make a better quality shim and insert in the front of the magazine and then see how that works. Then again I'll probably use the Woodleighs for reloads anyway and won't have the problem, but I'm keen to see if there is a simple solution.

Summary of round condition after about 30 cycles each: the lead portion of round number two was badly chewed, next in line of chewed-ness was round 6 (which had also jammed) and then equally round 5 and 1 (none of these had jammed and I was suprised that they were marked). Rounds 3 and 4 had very minor marks on them.

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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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