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Double Rifles, Single Shots & Combinations >> Single Shots & Combination Guns
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lancaster
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Reged: 06/05/08
Posts: 9058
Loc: There's a lighthouse in the mi...
Hopkins&Allen falling block action?
      #234392 - 18/08/13 03:04 AM

whats with the Hopkins&Allen falling block action? can it be used for more than a shotgun cartridge?
there is a 12 ga in auction just now













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rglenz
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Reged: 14/03/08
Posts: 136
Loc: w. Minn
Re: Hopkins&Allen falling block action? [Re: lancaster]
      #234394 - 18/08/13 04:24 AM

Hopkins&Allen made lots of low grade rim fire rifles,I have never seen the big falling block in anything but a shotgun chambering.

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casper50
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Reged: 18/10/07
Posts: 1450
Loc: Alaska
Re: Hopkins&Allen falling block action? [Re: rglenz]
      #234401 - 18/08/13 05:44 AM

I have one that I bought to rebarrel into a BPE. Hasn't been it's turn for the smith's yet. Thinking something like the 450-400 2 3/8" BPE. Should handle it.

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TNLonghunter
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Reged: 13/11/07
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Loc: Lebanon, Tennessee
Re: Hopkins&Allen falling block action? [Re: casper50]
      #234458 - 19/08/13 09:50 PM

H&A also made a series of rifles based loosely on the Bay City Action (98% sure that is correct name). Most were target rifles in 38/55 and 32/40. A smaller version was made in .22. Same basic action as the shotguns except the shotguns have the large, beefed up side plates.

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kuduae
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Reged: 13/01/10
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Re: Hopkins&Allen falling block action? [Re: TNLonghunter]
      #234465 - 20/08/13 03:44 AM

Just reread old Frank de Haas, "Single Shot Rifles and Actions", on the H&A falling block actions. He did not recommend them for any rifle conversion for several reasons: The receivers are made of cast iron. Though heat treated, any cast iron is of dubious strength. The barrels were not threaded into the receivers, but merely slipped in and held there by the single screw visible in the above photos between trigger guard and foreend wood. The firing pin, especially in the large shotgun action, is angled sharply upward. It's rear end is given an essentially downward blow to push it up against the primer, not the best mechanical arrangement for reliability and durability.
These H&A small medium and large actions were the cheapest true falling blocks ever made. So I would not trust it for anything other than blackpowder pressure loads in .38-55. .32-40 or perhaps 9.3x57R.360. Even the weak .45-70 factory loads may be too much because of the larger head diameter exerting more power against the breech. De Haas even mistrusted them for the Hornet.

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lancaster
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Posts: 9058
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Re: Hopkins&Allen falling block action? [Re: kuduae]
      #234468 - 20/08/13 05:00 AM

thanks

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Norwegian hunter misses moose, shoots man on toilet
.
bringing civilisation to the barbarians

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Ash
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Reged: 10/05/11
Posts: 1653
Loc: Australia
Re: Hopkins&Allen falling block action? [Re: lancaster]
      #234472 - 20/08/13 07:01 AM

Looks like it'd be fun as a shotgun to run blackpowder through though. Something a bit different from the rest at a trap session?

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