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Double Rifles, Single Shots & Combinations >> Double Rifles
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DarylS
.700 member


Reged: 10/08/05
Posts: 26665
Loc: Beautiful British Columbia, Ca...
Re: WR 400/360
      07/11/16 12:51 PM

Groove diameter, you mean, I think.

The actual bore diameter is not important when deciding what jacketed diameter bullet to use, but becomes important with cast bullets with bore riding sections.

The normal Euro "bore" diameter for a 9.3, is .358", with a .366" groove diameter - as for the 9.3x62, etc, then .366" is normal for bore diameter for 9.5mm(.375 calibers).

Since the rifle came with a .358" mould casting the .280gr. RN bullet, this sounds like the old Lyman #3589 OBSOLETE mould. If it is, treasure it - it has been obsolete for many decades & it is a wonderful bullet, being a perfect RN shape with long-land bearing surface.

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


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

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Entire topic
Subject Posted by Posted on
* WR 400/360 Sarg 07/11/16 11:24 AM
. * * Re: WR 400/360 LesLeeSpeed   07/11/16 11:58 AM
. * * Re: WR 400/360 Sarg   07/11/16 12:15 PM
. * * Re: WR 400/360 TH44   07/11/16 11:54 AM
. * * Re: WR 400/360 Sarg   07/11/16 12:29 PM
. * * Re: WR 400/360 DarylS   07/11/16 12:51 PM
. * * Re: WR 400/360 Sarg   07/11/16 01:25 PM
. * * Re: WR 400/360 4seventy   08/11/16 06:51 PM
. * * Re: WR 400/360 paradox_   09/11/16 01:44 PM
. * * Re: WR 400/360 paradox_   09/11/16 01:45 PM
. * * Re: WR 400/360 DarylS   08/11/16 05:19 AM
. * * Re: WR 400/360 Huvius   08/11/16 05:55 AM
. * * Re: WR 400/360 93x64mm   08/11/16 07:08 AM
. * * Re: WR 400/360 Huvius   08/11/16 11:02 AM

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