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Old November 25, 2002, 08:28 AM   #1
Sisco
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45.70 in a 12ga

Yesterday at a gunshop I saw an adapter that would allow you to shoot 45.70 gov through a 12ga. Apparently it's a rifled sleeve that slips inside the barrel of a shotgun, only works with break-open type guns, not pumps or autos.
Kits were boxed, didn't actually see the hardware itself. Anyone familiar with these?
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Old November 25, 2002, 03:46 PM   #2
Dave McC
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This comes around every once in a while. The oldest version I've seen had a big BP style elephant cartridge liner for an 8 bore double.

Trouble is, once the liner is removed and replaced, the zero is history. As a semi permanent installation, it might work,IF....

The rifle round is low pressure. Even in 45-70, loaded down in factory ammo for all those trapdoor Springfields, the pressures are far greater(On the order of 35KPSI) than for shotgun rounds(Max 13,500 PSI),IIRC.

Not a great idea, IMO....
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Old November 25, 2002, 06:39 PM   #3
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It would be kind of neat to do it in and Over /Under in only one barrel and leave a 12 gauge in the other.

A sabot slug might be almost as good though...and less confucsing to reload
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Old November 28, 2002, 08:47 AM   #4
Sisco
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I see a potential for abuse. I can imagine someone deer hunting in a shotgun only zone getting themselves extra yardage out of their gun.
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Old November 30, 2002, 05:42 PM   #5
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I agree that a .45/70 might be a little much for a shotgun to handle in some cases, especially one of the older double guns. One of the HR or NEF single shots might be ok. Those seem to be darn strong.
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Old December 1, 2002, 08:15 PM   #6
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This is a big thing in Germany.
They have rifle sleeves in all kinds of calibers to use in their shotguns.
Kind of neat... if you can only have one gun...

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