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

RobertD
.275 member

Reged: 16/11/03
Posts: 67
Loc: East Bay, CA, USA

Re: 9.3 X 62
17/03/04 02:26 AM

Luv2Safari:

I suspect you aren't going to get a huge amount of velocity by using a 26 inch barrel over a 24 or a 23 for a 9.3x62.

Basically, the 9.3x62 is a 35 Whelen opened up from .358 to .366. Given the greater expansion ratio, a 23 or 24 incher should be fine. I did some simulations a while back in Quickload and determined that 23 to 24 inches is the optium length for a 35 Whelen. So, clearly, 23 inches would work just fine for the 9.3x62. However, if velocity is your goal and you are counting fps, then every inch does make a difference.

I didn't find that faster powders offset velocity for a shorter barrel length, but I did find that different powders produced the highest velocity for a given bullet regardless of barrel length.

A twist rate of 1:12 or 1:14 should be fine for the 9.3x62. I personally like faster twist rates; if I had one built, I would opt for a 1:12, but that is just my opinion. If you are really into cast bullets, you might look at a 1:16 for your bullet.

If you know a lot about reloading the 35 Whelen, then you have an excellent idea of the 9.3x62, since it is only a bit bigger. You only need to learn the new bullets and their application.

RobertD

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Subject	Posted by	Posted on
9.3 X 62	CRS	01/03/04 07:38 PM
Re: 9.3 X 62	Safarischorsch	10/03/04 05:53 AM
Re: 9.3 X 62	bwanamrm	07/03/04 10:52 AM
Re: 9.3 X 62	luv2safari	10/03/04 07:20 AM
Re: 9.3 X 62	scrollcutter	10/03/04 11:22 AM
Re: 9.3 X 62	RobertD	10/03/04 01:39 PM
Re: 9.3 X 62	475Guy	10/03/04 09:59 PM
Re: 9.3 X 62	Safarischorsch	10/03/04 07:54 PM
Re: 9.3 X 62	luv2safari	11/03/04 10:39 AM
Re: 9.3 X 62	atkinson6	13/03/04 07:57 AM
Re: 9.3 X 62	luv2safari	16/03/04 03:39 PM
Re: 9.3 X 62	RobertD	17/03/04 02:26 AM
Re: 9.3 X 62	luv2safari	19/03/04 03:53 AM
Re: 9.3 X 62	atkinson6	20/03/04 05:04 PM
Re: 9.3 X 62	luv2safari	20/03/04 05:25 PM
Re: 9.3 X 62	atkinson6	28/03/04 05:30 AM
Re: 9.3 X 62	Safarischorsch	18/03/04 08:21 PM
Re: 9.3 X 62	luv2safari	13/03/04 08:13 AM
Re: 9.3 X 62	Robgunbuilder	13/03/04 09:58 AM
Re: 9.3 X 62	475Guy	13/03/04 02:13 PM
Re: 9.3 X 62	Robgunbuilder	15/03/04 05:26 AM
Re: 9.3 X 62	475Guy	16/03/04 01:44 PM
Re: 9.3 X 62	atkinson6	29/03/04 08:11 AM
Re: 9.3 X 62	475Guy	29/03/04 09:29 AM
Re: 9.3 X 62	475Guy	15/03/04 07:39 AM
Re: 9.3 X 62	8x56mn	15/03/04 07:10 AM
Re: 9.3 X 62	luv2safari	15/03/04 01:11 PM
Re: 9.3 X 62	Safarischorsch	15/03/04 07:07 PM
Re: 9.3 X 62	atkinson6	16/03/04 05:35 AM
Re: 9.3 X 62	Safarischorsch	14/03/04 01:48 AM
Re: 9.3 X 62	luv2safari	07/03/04 11:54 AM
Re: 9.3 X 62	bwanamrm	09/03/04 01:45 PM
Re: 9.3 X 62	Rick_R	09/03/04 02:26 PM
Re: 9.3 X 62	atkinson6	08/03/04 02:51 PM
Re: 9.3 X 62	475Guy	02/03/04 01:48 AM
Re: 9.3 X 62	atkinson6	02/03/04 03:08 AM

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