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

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Bwana_Be_Mike
.224 member

Reged: 28/03/08
Posts: 31
Loc: PA _U.S.A.

Built Double Rifles in 45-70 How About 45-90 ; or .45-120 ?
#104080 - 02/05/08 11:38 AM

Hi;
I've heard of projects of Double S X S Rifles being built
in .45-70 cal .; What's the feasibility of one being built
in either a .45-90; or the .45-120 cartridge?

I own a newer Marlin Lever Action in .45-70 and I like the
cartridge very much .

Would a .45-120 be feasible if built on an existing Nitro S x S external
Side Hammer Double Rifle Action ? Would the .45-120 cartridge be manageable
or would it be too much of an ''ASS - BUSTER '' ?

Could the action would handle it.

What are your thoughts ?

Thanks !

Mike

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xausa
.400 member

Reged: 07/03/07
Posts: 2037
Loc: Tennessee, USA

Re: Built Double Rifles in 45-70 How About 45-90 ; or .45-120 ? [Re: Bwana_Be_Mike]
#104123 - 02/05/08 11:09 PM

This is intuitive on my part, but it seems to me that inasmuch as the case head of the .45-120 is the same size as that of the .45-70, if the two cartridges are loaded to the same pressure, the back thrust on the action will be the same, and any action that is appropriate for the .45-70 will be equally appropriate for the .45-120.

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DarylS
.700 member

Reged: 10/08/05
Posts: 26992
Loc: Beautiful British Columbia, Ca...

Re: Built Double Rifles in 45-70 How About 45-90 ; or .45-120 ? [Re: xausa]
#104133 - 03/05/08 12:44 AM

Built on a Nitro SXS? - The .45 3 1/2" would deliver similar ballistics as the .450 Nitro Express if loaded to identical pressures as the Nitro round. The .45/70 can not match those ballistics at safe pressure.

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

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

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xausa
.400 member

Reged: 07/03/07
Posts: 2037
Loc: Tennessee, USA

Re: Built Double Rifles in 45-70 How About 45-90 ; or .45-120 ? [Re: DarylS]
#104143 - 03/05/08 06:41 AM

I was assuming we were discussing a BP action, which is not a given for a hammer gun I know, but it didn't occur to me that someone would be asking if a Nitro proofed action would be adequate for a BP cartridge like the .45-120. I see now that I overlooked the "Nitro" in the question.

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