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Double Rifles, Single Shots & Combinations >> Single Shots & Combination Guns
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casper50
.400 member


Reged: 18/10/07
Posts: 1407
Loc: Alaska
8 bore pinfire rifle has arrived.
      #385513 - 30/06/24 05:47 AM

received the French 8 bore pinfire rifle today. Nice and big. Weight is close to 11 pounds. Groove diameter of .873, chamber cast base in front of the rim is .937 same all the way to the end, no taper. Length is 3.65". I haven't slugged the bore yet. I have to find a hunk of lead large enough. Sights = 25 meter standing and 50, 100, and 150 folding

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93x64mm
.416 member


Reged: 07/12/11
Posts: 4139
Loc: Nth QLD Australia
Re: 8 bore pinfire rifle has arrived. [Re: casper50]
      #385515 - 30/06/24 07:24 AM

That bore looks pristine Casper!
I'd hazard a guess to say its been restocked, the timber looks too good for its age, but you weren't wrong about the bore size, that will be one BIG ball to fit down that monstrous hole!
Lovely piece, looking forward to see the range reports & how you get the cases done.
Will be a cracker when she goes off!

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casper50
.400 member


Reged: 18/10/07
Posts: 1407
Loc: Alaska
Re: 8 bore pinfire rifle has arrived. [Re: 93x64mm]
      #385516 - 30/06/24 08:19 AM

stock looks to have been refinished and recheckered.

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Kdgj
.224 member


Reged: 11/03/19
Posts: 14
Loc: CO
Re: 8 bore pinfire rifle has arrived. [Re: casper50]
      #385517 - 30/06/24 09:53 AM

Nice clean looking pinfire. When was it made?

Ken

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casper50
.400 member


Reged: 18/10/07
Posts: 1407
Loc: Alaska
Re: 8 bore pinfire rifle has arrived. [Re: Kdgj]
      #385519 - 30/06/24 10:07 AM

Photos of all the marks, I haven't found the crown over DV yet






Edited by casper50 (30/06/24 10:10 AM)

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casper50
.400 member


Reged: 18/10/07
Posts: 1407
Loc: Alaska
Re: 8 bore pinfire rifle has arrived. [Re: casper50]
      #385520 - 30/06/24 10:31 AM

Crown over the DV is Devisme's trademark.

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casper50
.400 member


Reged: 18/10/07
Posts: 1407
Loc: Alaska
Re: 8 bore pinfire rifle has arrived. [Re: casper50]
      #385521 - 30/06/24 01:45 PM

What is an average twist rate for an 8 bore rifle? Mine seems really fast. 1 in 12" Bore slugged and the diameter is right at .840".

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lancaster
.470 member


Reged: 06/05/08
Posts: 8904
Loc: There's a lighthouse in the mi...
Re: 8 bore pinfire rifle has arrived. [Re: casper50]
      #385527 - 30/06/24 11:17 PM

there are so few 8 bore rifles around its hard to say what the average twist was. you maybe start with a roundball?
stock looks new but fine, better than an old broken stock anyway.

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

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lancaster
.470 member


Reged: 06/05/08
Posts: 8904
Loc: There's a lighthouse in the mi...
Re: 8 bore pinfire rifle has arrived. [Re: lancaster]
      #385528 - 30/06/24 11:40 PM

here are the pics from the 1900 SFM ammo catalog, suspect your rifle have a chamber for 85 mm long shells.











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

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DarylS
.700 member


Reged: 10/08/05
Posts: 26821
Loc: Beautiful British Columbia, Ca...
Re: 8 bore pinfire rifle has arrived. [Re: lancaster]
      #385532 - 01/07/24 01:25 AM

.873" is exactly 7 bore, & a good looking bore it is.
What wonderful overall condition.

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


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

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93x64mm
.416 member


Reged: 07/12/11
Posts: 4139
Loc: Nth QLD Australia
Re: 8 bore pinfire rifle has arrived. [Re: DarylS]
      #385539 - 01/07/24 07:25 AM

Interesting concept - a groove inside the cartridge case & a grooved bullet!
Also an explosive shell......not sure if I'd be game to fire one of them!

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DarylS
.700 member


Reged: 10/08/05
Posts: 26821
Loc: Beautiful British Columbia, Ca...
Re: 8 bore pinfire rifle has arrived. [Re: 93x64mm]
      #385553 - 01/07/24 11:41 PM

Forsyth's little book printed in 1862 gives excellent diagrams on 2 different moulds for casting explosive, 2-piece bullets.
These are applicable for any bore size, just adjust dimensions for the blocks needed to size required.

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


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

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lancaster
.470 member


Reged: 06/05/08
Posts: 8904
Loc: There's a lighthouse in the mi...
Re: 8 bore pinfire rifle has arrived. [Re: DarylS]
      #385555 - 02/07/24 03:59 AM

think you will be in trouble with explosive bullet in most of the countrys we coming from here

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

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DarylS
.700 member


Reged: 10/08/05
Posts: 26821
Loc: Beautiful British Columbia, Ca...
Re: 8 bore pinfire rifle has arrived. [Re: lancaster]
      #385567 - 03/07/24 12:50 AM

Yes here, possession of explosives regulated by license. Otherwise, possession is illegal.

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


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

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casper50
.400 member


Reged: 18/10/07
Posts: 1407
Loc: Alaska
Re: 8 bore pinfire rifle has arrived. [Re: DarylS]
      #385689 - 09/07/24 03:03 PM

Made some 8 bore pinfire cases for my rifle. Waiting on a custom mold then I can get it firing again.






https://www.youtube.com/watch?v=95E_15j41Ds

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93x64mm
.416 member


Reged: 07/12/11
Posts: 4139
Loc: Nth QLD Australia
Re: 8 bore pinfire rifle has arrived. [Re: casper50]
      #385703 - 10/07/24 06:56 AM

Silly question Casper.
Does the pin hit the primer in the case?
So was this then was a step from percussion caps to a complete contained round?

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casper50
.400 member


Reged: 18/10/07
Posts: 1407
Loc: Alaska
Re: 8 bore pinfire rifle has arrived. [Re: 93x64mm]
      #385715 - 10/07/24 02:05 PM

I made a video showing how I convert brass shotgun cases to pinfire. It works on plastic as well. The pin hits the cap inside of the round stock holder. Pinfire was the in between step of percussion muzzle loading and centerfire cartridges as we know them today. https://www.youtube.com/watch?v=7RsonzmtAX0

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