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Double Rifles, Single Shots & Combinations >> Building Double Rifles & Gunsmithing

Mike_McGuire
.333 member

Reged: 11/06/05
Posts: 348
Loc: Sydney Australia

Re: .22 Savage Hi-Power or .225 Winchester
24/06/07 02:49 PM

I am not sure of the practicalities, but what about a .224 Super or Hi-Power ie the .22 Hi-Power customed designed for a .224 calibre rather than the more limited .228 calibre

Easy enough to do, just a cost and time issue for reamer and dies.

My calculations show that to have a 70 grain 224 at 3000 f/s and very low pressure a case equal to a 30/30 Improved will be required. So a 225 Winchester. I don't think the 22 Hi Power will be big enough. As I remember the 22 Hi Power is similar to the 219 Zipper capacity.

From my perspective if you go for a 224/228 Hi Power then the "classic part" has been lost. Thus if I was doing this I think I would use on of the European rimmed cases and have it in 6mm and use bench rest 68 grainers. These bench rest bullets are quite deadly on the game you mention. Bench rest bullet makers don't thin the nose of the jacket and the jacket thickens at the point during swaging. These bullets tend to go a fair way in and the blow. Talk to anyone who used the 6mm PPC on game.

Since it is to be a double and regualtion is an issue and you want shoot bullets of about 70 grains then to me that spells 6mm all the way. Between the big bullet makers and the custom bench rest makers you have an almost unlimited supply of bullets between about 66 to a 70 grains of so. I think Karl Keuhn in Sydney would do small runs of bullets in different weights. That could help with regultion of a 6mm double.

A 6mm of the same case capacity and using the same amount of powder and at the same pressure will be about 130 f/s faster than a 224. So for 3000 f/s with 70 grains and with low pressure that would make the 22 Hi Power case more suitable.

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Subject	Posted by	Posted on
.22 Savage Hi-Power or .225 Winchester	NitroX	02/06/07 08:20 PM
Re: .22 Savage Hi-Power or .225 Winchester	Anonymous	07/01/08 06:47 AM
Re: .22 Savage Hi-Power or .225 Winchester	NitroX	25/01/08 04:04 PM
Re: .22 Savage Hi-Power or .225 Winchester	watto	05/11/07 01:19 AM
Re: .22 Savage Hi-Power or .225 Winchester	Huvius	06/11/07 02:13 PM
Re: .22 Savage Hi-Power or .225 Winchester	NitroX	06/11/07 08:26 PM
Re: .22 Savage Hi-Power or .225 Winchester	Huvius	07/11/07 09:30 AM
Re: .22 Savage Hi-Power or .225 Winchester	xausa	26/06/07 12:59 AM
Re: .22 Savage Hi-Power or .225 Winchester	9.3x57	26/06/07 01:57 AM
Re: .22 Savage Hi-Power or .225 Winchester	Ron_Vella	27/06/07 12:15 PM
Re: .22 Savage Hi-Power or .225 Winchester	NitroX	27/06/07 02:20 PM
22 HP?	450_366	07/07/07 11:22 PM
Re: .22 Savage Hi-Power or .225 Winchester	308	27/06/07 03:21 PM
Re: .22 Savage Hi-Power or .225 Winchester	Marty	02/06/07 11:19 PM
Re: .22 Savage Hi-Power or .225 Winchester	NitroX	03/06/07 03:55 AM
Re: .22 Savage Hi-Power or .225 Winchester	NE450No2	03/06/07 05:33 AM
Re: .22 Savage Hi-Power or .225 Winchester	NitroX	03/06/07 06:02 AM
Re: .22 Savage Hi-Power or .225 Winchester	Mike_McGuire	03/06/07 07:10 AM
Re: .22 Savage Hi-Power or .225 Winchester	NitroX	03/06/07 09:06 PM
Re: .22 Savage Hi-Power or .225 Winchester	308	05/06/07 01:58 PM
Re: .22 Savage Hi-Power or .225 Winchester	Husqvarna	05/06/07 04:28 PM
Re: .22 Savage Hi-Power or .225 Winchester	9.3x57	07/06/07 07:02 AM
Re: .22 Savage Hi-Power or .225 Winchester	Becks0079	07/06/07 11:55 PM
Re: .22 Savage Hi-Power or .225 Winchester	ALAN_MCKENZIE	09/06/07 01:09 AM
Re: .22 Savage Hi-Power or .225 Winchester	Bramble	20/06/07 04:08 AM
Re: .22 Savage Hi-Power or .225 Winchester	NitroX	24/06/07 06:46 AM
Re: .22 Savage Hi-Power or .225 Winchester	Mike_McGuire	24/06/07 02:49 PM
Re: .22 Savage Hi-Power or .225 Winchester	9.3x57	24/06/07 11:53 PM
Re: .22 Savage Hi-Power or .225 Winchester	Tatume	25/06/07 03:37 AM
Re: .22 Savage Hi-Power or .225 Winchester	9.3x57	25/06/07 05:46 AM
Re: .22 Savage Hi-Power or .225 Winchester	Tatume	25/06/07 05:59 AM
Re: .22 Savage Hi-Power or .225 Winchester	NitroX	18/10/07 04:27 AM
Re: .22 Savage Hi-Power or .225 Winchester	ALAN_MCKENZIE	19/10/07 12:12 AM
Re: .22 Savage Hi-Power or .225 Winchester	NitroX	21/10/07 03:21 AM
Re: .22 Savage Hi-Power or .225 Winchester	jimatcat	28/10/07 11:49 AM
Re: .22 Savage Hi-Power or .225 Winchester	Tatume	25/06/07 09:37 PM
Re: .22 Savage Hi-Power or .225 Winchester	9.3x57	25/06/07 10:41 AM
Re: .22 Savage Hi-Power or .225 Winchester	zimhunter	24/06/07 07:13 AM
Re: .22 Savage Hi-Power or .225 Winchester	Mike_McGuire	03/06/07 10:06 PM
Re: .22 Savage Hi-Power or .225 Winchester	JFE	04/06/07 09:49 PM
Re: .22 Savage Hi-Power or .225 Winchester	DarylS	05/06/07 02:03 AM
Re: .22 Savage Hi-Power or .225 Winchester	Mike_McGuire	05/06/07 03:27 AM
Re: .22 Savage Hi-Power or .225 Winchester	Marrakai	02/06/07 09:24 PM

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