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Shooting & Reloading - Mausers, Big Bores and others >> Lee Speed Forum & Archive

DarylS
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Reged: 10/08/05
Posts: 26523
Loc: Beautiful British Columbia, Ca...

Re: A 375 using 303 cases for a longbranch #4
14/01/14 03:28 AM

Also of note, is the .312 Express by Ken. In this one, he used the standard .303 barrel and chambered it for the .350 Rem. Mag. necked down to .303.

Mine runs 2,960fps with a 174gr. bullet in a #4 using Reloader #19 powder.

Please note, the .375 Express by Ken, is quite literally a .375/57 Flanged Improved, with it's .4565 shoulder.

The rifle Ken used, was an original Westley Richards - a #3 or perhaps Lee Speed, I presume using the original barrel. Because of this, his ballistics only barely match what can easily be done in the smaller .303 case, in #4.

As Grenadier suggested, this would also be a really good round for either of your rifle suggestions.

Barely shortened .376 Styer dies could be used for loading this round as a neck die set. I used just such a set of dies (Hornady) for my .375/06IMP now.

9.3x57 dies, with the neck opened up, could be used for the .303/.375 round as neck sizing dies. This, rather than having expensive custom dies cut.

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

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

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Subject	Posted by	Posted on
A 375 using 303 cases for a longbranch #4	FrankS	12/01/14 07:24 PM
Re: A 375 using 303 cases for a longbranch #4	Grenadier	13/01/14 05:32 PM
Re: A 375 using 303 cases for a longbranch #4	DarylS	14/01/14 03:28 AM
Re: A 375 using 303 cases for a longbranch #4	FrankS	19/01/14 04:45 PM
Re: A 375 using 303 cases for a longbranch #4	kamilaroi	20/01/14 10:32 AM
Re: A 375 using 303 cases for a longbranch #4	FrankS	20/01/14 04:31 PM
Re: A 375 using 303 cases for a longbranch #4	lancaster	21/01/14 07:19 PM
Re: A 375 using 303 cases for a longbranch #4	FrankS	22/01/14 02:26 PM
Re: A 375 using 303 cases for a longbranch #4	lancaster	22/01/14 09:20 PM
Re: A 375 using 303 cases for a longbranch #4	DarylS	23/01/14 06:14 AM
Re: A 375 using 303 cases for a longbranch #4	FrankS	23/01/14 03:42 PM
Re: A 375 using 303 cases for a longbranch #4	DarylS	24/01/14 04:21 AM
Re: A 375 using 303 cases for a longbranch #4	FrankS	26/01/14 04:52 PM
Re: A 375 using 303 cases for a longbranch #4	DarylS	13/01/14 04:55 AM

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