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Double Rifles, Single Shots & Combinations >> Building Double Rifles & Gunsmithing

DarylS
.700 member

Reged: 10/08/05
Posts: 27014
Loc: Beautiful British Columbia, Ca...

Re: A different attempt
13/08/07 10:20 AM

The 3-1/4" case was a Winchester case, copied from the Engoish .450 BPExpress round, not a Sharps case, as Sharps never chambered a 3-1/4" length straight case in any calibre.
; Sharps did chamber what was called a .45-120, but it was the 2 7/8" case, also loaded with 100gr and 110gr. powder generally depending on whether the bullet was grooved and lubed, or paper patched and what weight it carried.
: The modern long 3-1/4" case is sometimes difficult to get to shoot well with black powder. I suppose it depends on what your accuracy requirements are. With smokeless powders, it is easier, but there is a lot of waisted space that must be filled with something. Air doesn't work well and can cause other problems as can some types of fillers.
: The 2.4" (.45/90) case will be much easier to get to shoot well than any longer case and indeed, the standard .45/70 case of 2.1" is quite enough at under 24,000psi for any game this side of the Atlantic.

--------------------
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
A different attempt	EDELWEISS	12/08/07 01:40 AM
Re: A different attempt	EDELWEISS	27/09/07 10:38 PM
Re: A different attempt	Bramble	12/08/07 09:12 AM
Re: A different attempt	Rustyzipper	13/08/07 04:59 AM
Re: A different attempt	EDELWEISS	13/08/07 05:24 AM
Re: A different attempt	DarylS	13/08/07 10:20 AM
Re: A different attempt	EDELWEISS	17/08/07 06:01 AM
Re: A different attempt	Smokinjoe	17/08/07 09:16 AM
Re: A different attempt	EDELWEISS	18/08/07 06:04 AM
Re: A different attempt	Smokinjoe	18/08/07 11:20 AM
Re: A different attempt	Bramble	18/08/07 03:36 PM
Re: A different attempt	Smokinjoe	19/08/07 01:39 AM
Re: A different attempt	Bramble	21/08/07 03:52 PM
Re: A different attempt	Smokinjoe	22/08/07 05:49 AM
Re: A different attempt	EDELWEISS	22/08/07 01:53 PM

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