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Double Rifles, Single Shots & Combinations >> Building Double Rifles & Gunsmithing
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Ckhobart
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Reged: 26/06/13
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Loc: Reno, NV
Re: Ruger Red Label 45-70 [Re: Birdhunter50]
      #242489 - 16/02/14 08:30 AM

.45-70 is a relatively low pressure cartridge at least. A .500 on a red label ios pretty bold though.

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DarylS
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Re: Ruger Red Label 45-70 [Re: Ckhobart]
      #242490 - 16/02/14 09:15 AM



Pressure is what you make it.

Loading manual data exists for .45/70, running from under 16,000cup/psi to 50,000cup/psi.

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


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

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Birdhunter50
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Re: Ruger Red Label 45-70 [Re: Ckhobart]
      #242680 - 19/02/14 05:58 AM

I would think that something along the lines of a 50-110 would be just about perfect in a 12 gauge Red Label action.

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Ckhobart
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Re: Ruger Red Label 45-70 [Re: Birdhunter50]
      #242755 - 20/02/14 07:58 AM

50k for a .45-70 would be terrifying hah. 50-110 would be neat though

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DarylS
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Re: Ruger Red Label 45-70 [Re: Ckhobart]
      #242767 - 20/02/14 11:02 AM

Quote:

50k for a .45-70 would be terrifying hah. 50-110 would be neat though



Depending on the action and rifle weight, yes and no.

On the other hand,

A .50-110 would be OK, I guess, but a .50/90 Sharps would be better, easier to load for and easier for brass and dies. (.50 2 1/2" straight case)-

or the .50 3 1/4" for that matter.

With pressures at or under 30,000CUP, from a 24" bl. .50 3 1/4"you could drive:
425gr. at up to 2,294fps and 515gr. at 2091fps - both in lead.

The 3" .500 NitroExpress is listed for 2,246 at 40,500PSI

The .50 Alaskan is also a good one and used blown out .348 Winch brass.

My data for that one in 22" using Starline brass runs 435gr. lead to 525gr. lead, with 450gr. and 500gr. jacketed in the middle - all at pressures under 36,000CUP.
435gr. at up to 2,089fps
450gr. Barnes FP - 1,940fps
500gr. JFP - 1,854fps
525gr. lead - 1,852fps

My friends, those speeds are very close to or exceed .500 BPE loads with heavier bullets. That .50 Alaskan is NO slouch.

My bother's got his .50 Alaskan Shiloh Sharps (McGowen bl.) shooting just over 1" at 100 meters off the bags using Soule Tang and Sharps Aperture front sight. We were shooting 5 groups - with black powder yet.

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


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

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DarylS
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Posts: 26516
Loc: Beautiful British Columbia, Ca...
Re: Ruger Red Label 45-70 [Re: DarylS]
      #242773 - 20/02/14 12:33 PM

Incidently, .45/70 bras is actually stronger than most cartridge brass used in rounds that have SAAMI and CIP maximums of 64,000PSI to 67,000PSI.

Marlin loaded to 70,000PSI and the brass showed NORMAL pressure. Of course, the .605" rim is to a large part responsible for much of it's strength.

Even stronger yet, as pure strength goes, is .348 Winchester brass which is being used in my own .458 Alaskan, the .450 Alaskan and the .50 Alaskan ctgs.

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


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

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