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

DarylS
.700 member

Reged: 10/08/05
Posts: 27005
Loc: Beautiful British Columbia, Ca...

Re: cast loads in 458WM
15/03/10 02:52 AM

Tom's right - bullet size is almost the most important aspect of cast shooting, providing the alloy is up to the task. .458's are very forgiving of alloys as well and even straight WW at Brinel 12 will shoot to around 2,000fps, sometimes faster, given a good lube. Most plain-based bullets of correct size will handle up to 1,700fps.
Ordinary beeswax/vaseline mix will lube WW bullets to 2,000fps with good results using slower powders. Lyman's newer moly lube (not the old graphite lube) and LBT Blue are good for higher speeds.

Gas Check bullets of appropriate hardness and with the correct lube will handle up to in excess of 3,000fps.

I have never hear of keyholes due to seating depth, either.

Like Tom - I have moulds form 300gr. to about 580gr. in around 50 gr. or closer increments. Every bullet weight shoots well from a variety of .458s.

With a large throat diameter, the actual bullet diameter might have to be considerably larger than .459 or even .460". Groove diameter is non critical - if it's the throat causing problems. I've not hear of problems with factory .458 before, though, and a .459" to .460" bullet should work fine.

What is the inside diameter of a fired case's neck? Ideally, with cast bullets fitted to the throat, the cast bullet should be just a push fit into a fired case. You can try things such as teflon tape or paper patching is that is necessary to get a large enough diameter bullet. Do not worry about a larger bulelt increasing pressure - it is low.

--------------------
Daryl

"a gun without hammers is like a Spaniel without ears" King George V

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Subject	Posted by	Posted on
cast loads in 458WM	mauserand9mm	07/03/10 09:00 PM
Re: cast loads in 458WM	bonanza	30/04/10 12:49 AM
Re: cast loads in 458WM	mauserand9mm	30/04/10 08:41 PM
Re: cast loads in 458WM	mauserand9mm	17/05/10 01:29 PM
Re: cast loads in 458WM	mauserand9mm	05/11/10 07:59 AM
Re: cast loads in 458WM	DarylS	05/11/10 11:49 AM
Re: cast loads in 458WM	mauserand9mm	05/11/10 09:57 AM
Re: cast loads in 458WM	DarylS	06/11/10 03:32 AM
Re: cast loads in 458WM	VonGruff	06/11/10 05:58 AM
Re: cast loads in 458WM	mauserand9mm	07/11/10 08:39 PM
Re: cast loads in 458WM	Tatume	07/03/10 11:01 PM
Re: cast loads in 458WM	bonanza	08/11/10 03:17 AM
Re: cast loads in 458WM	mauserand9mm	08/03/10 10:30 AM
Re: cast loads in 458WM	Tatume	08/03/10 11:35 PM
Re: cast loads in 458WM	mauserand9mm	09/03/10 11:31 AM
Re: cast loads in 458WM	450_Ackley	09/03/10 04:28 PM
Re: cast loads in 458WM	Tatume	09/03/10 11:12 PM
Re: cast loads in 458WM	DarylS	10/03/10 03:26 AM
Re: cast loads in 458WM	450_Ackley	10/03/10 07:38 AM
Re: cast loads in 458WM	mauserand9mm	10/03/10 11:52 AM
Re: cast loads in 458WM	Tatume	11/03/10 12:24 AM
Re: cast loads in 458WM	DarylS	11/03/10 12:40 PM
Re: cast loads in 458WM	450	11/03/10 04:39 PM
Re: cast loads in 458WM	mauserand9mm	11/03/10 10:19 PM
Re: cast loads in 458WM	DarylS	12/03/10 01:49 AM
Re: cast loads in 458WM	mauserand9mm	12/03/10 11:29 AM
Re: cast loads in 458WM	DarylS	13/03/10 04:00 AM
Re: cast loads in 458WM	Tatume	13/03/10 06:45 AM
Re: cast loads in 458WM	gwindrider1	16/03/10 12:28 PM
Re: cast loads in 458WM	mauserand9mm	18/03/10 11:44 AM
Re: cast loads in 458WM	450_Ackley	18/03/10 07:04 PM
Re: cast loads in 458WM	450	23/03/10 08:24 PM
Re: cast loads in 458WM	DarylS	24/03/10 07:12 AM
Re: cast loads in 458WM	mauserand9mm	24/03/10 01:50 PM
Re: cast loads in 458WM	DarylS	24/03/10 11:19 PM
Re: cast loads in 458WM	mauserand9mm	25/03/10 09:58 AM
Re: cast loads in 458WM	eagle27	25/03/10 05:29 PM
Re: cast loads in 458WM	DarylS	26/03/10 01:00 AM
Re: cast loads in 458WM	greenshoots	26/03/10 06:08 AM
Re: cast loads in 458WM	86thecat	29/03/10 12:55 PM
Re: cast loads in 458WM	mauserand9mm	29/04/10 08:51 PM
Re: cast loads in 458WM	DarylS	29/04/10 10:00 PM
Re: cast loads in 458WM	mauserand9mm	14/03/10 08:43 PM
Re: cast loads in 458WM	eagle27	14/03/10 09:09 PM
Re: cast loads in 458WM	Tatume	14/03/10 10:57 PM
Re: cast loads in 458WM	DarylS	15/03/10 02:52 AM
Re: cast loads in 458WM	mauserand9mm	15/03/10 09:54 AM
Re: cast loads in 458WM	DarylS	15/03/10 10:22 AM
Re: cast loads in 458WM	9dot3x74R	15/03/10 12:19 PM
Re: cast loads in 458WM	DarylS	15/03/10 12:59 PM
Re: cast loads in 458WM	mauserand9mm	15/03/10 02:10 PM
Re: cast loads in 458WM	450_Ackley	15/03/10 06:14 PM
Re: cast loads in 458WM	450	12/03/10 04:56 PM
Re: cast loads in 458WM	DarylS	10/03/10 12:25 PM
Re: cast loads in 458WM	86thecat	10/03/10 05:18 PM
Re: cast loads in 458WM	450_Ackley	08/03/10 02:22 PM
Re: cast loads in 458WM	DarylS	08/03/10 03:25 PM
Re: cast loads in 458WM	mauserand9mm	08/03/10 06:07 PM
Re: cast loads in 458WM	450_Ackley	08/03/10 08:44 PM

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