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

szihn
.400 member

Reged: 24/06/07
Posts: 2121
Loc: United States

9.3mm/ .366 bore
13/12/16 03:07 AM

Hello to all.

I have been in correspondence with Green Mountain Barrel Co concerning them making some .366" barrel blanks with 1-10" or 1-11" twist. We are just at the "talking stage" right now, but I am hoping this will go forward.

The 9.3X62 cartridge is an excellent hunting round that is not super popular here in the USA, but seems to be up and coming. The bullet companies seem to know it. Barnes, Hornady, Swift, Nosler, and Speer all make bullets for them here in the USA, and Woodleigh, Norma, Lapua and Prvi make them overseas. Possibly a few others I am unaware of too.

The old black powder 9.3s were often rifled at about 1-20". As smokeless powders came into use the twist was tightened up. Today the 2 most common twists are 1-14" and 1-12" but even the 1-12" is just barely enough twist to keep 320 grain bullets stable. So I am suggesting they make these barrels with a 1-11 or 1-10 twist. Firing a 225 grain bullet from the fast twist is just fine, but firing the long heavy 320 from the slower twist is sometimes not fine, so I can see no reason to even make the slow twist.

Anyway, I am putting feelers out on line.

How many of you would be interested in buying a barrel blank (or maybe a few) for a 9.3X62, a 9.3X64 or a 9.3X74R with a bit faster twist?

Green Mountain said they would consider making a run of 100 of them if there was a market. I am pretty sure there is.

What say ye?

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Subject	Posted by	Posted on
9.3mm/ .366 bore	szihn	13/12/16 03:07 AM
Re: 9.3mm/ .366 bore	DarylS	13/12/16 05:14 AM
Re: 9.3mm/ .366 bore	szihn	13/12/16 08:53 AM
Re: 9.3mm/ .366 bore	Wanabebwana	13/12/16 09:11 AM
Re: 9.3mm/ .366 bore	szihn	14/12/16 11:51 AM
Re: 9.3mm/ .366 bore	Wanabebwana	15/12/16 08:33 AM
Re: 9.3mm/ .366 bore	DarylS	15/12/16 08:55 AM
Re: 9.3mm/ .366 bore	szihn	16/12/16 04:19 AM
Re: 9.3mm/ .366 bore	93x64mm	16/12/16 07:15 AM
Re: 9.3mm/ .366 bore	Wanabebwana	16/12/16 08:59 AM
Re: 9.3mm/ .366 bore	DarylS	16/12/16 10:33 AM
Re: 9.3mm/ .366 bore	szihn	17/12/16 03:34 AM
Re: 9.3mm/ .366 bore	Wanabebwana	17/12/16 06:59 AM
Re: 9.3mm/ .366 bore	DarylS	30/12/16 06:25 AM
Re: 9.3mm/ .366 bore	szihn	30/12/16 03:14 PM
Re: 9.3mm/ .366 bore	DarylS	30/12/16 03:26 PM
Re: 9.3mm/ .366 bore	szihn	30/12/16 04:52 PM
Re: 9.3mm/ .366 bore	szihn	29/12/16 12:06 PM
Re: 9.3mm/ .366 bore	coll416	29/12/16 07:49 PM

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