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Double Rifles, Single Shots & Combinations >> Paradox and Bore Guns

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DGR375
.300 member

Reged: 04/10/07
Posts: 131
Loc: Gold Coast, QLD

ammo for 12 bore rifle
#118239 - 04/11/08 12:16 AM

I've just bought a takedown Greener Martini 12 bore rifle marketed by London Guns (UK) for a spot of fun at the Big Game Rifle Club. I hope to eventually make my own reloads, but to get started, can commercial 12 gauge slug cartridges (non-rifled slugs) be used safely in a 12 bore rifle? Are any other commercial cartridges available?

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rigbymauser
.400 member

Reged: 15/05/05
Posts: 1970
Loc: Denmark

Re: ammo for 12 bore rifle [Re: DGR375]
#118251 - 04/11/08 02:27 AM

Quote:

I've just bought a takedown Greener Martini 12 bore rifle marketed by London Guns (UK) for a spot of fun at the Big Game Rifle Club. I hope to eventually make my own reloads, but to get started, can commercial 12 gauge slug cartridges (non-rifled slugs) be used safely in a 12 bore rifle? Are any other commercial cartridges available?

I doubt a commercial slug will shoot well in a fully rifled 12 bore from Greener. I think the slugs could be smaller...but you need to find out the twistratio of your rifle first. If the twistratio is only one quarter spin of the barrel like 1:72, you have a gun that can only shoot roundballs only.
If the rifling spins more than a half the barrel length like 1:50, it can shoot projectiles too.
You also need to have a chambercast made, so you can determine ratio between the bullet dia and case walls aswell.
There is no commercial ammo made for 12 bore rifle. I know H&H can supply you with paradox ammo upon request.
Congratulation with your purchase

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fallingblock
.224 member

Reged: 16/06/05
Posts: 32
Loc: Western Wisc.

Re: ammo for 12 bore rifle [Re: rigbymauser]
#118281 - 04/11/08 12:20 PM

I believe that London Guns was in the Melbourne area and was part of Century Arms.
Cheers,
fallingblock

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tinker
.416 member

Reged: 12/03/05
Posts: 4835
Loc: Nevada

Re: ammo for 12 bore rifle [Re: fallingblock]
#118286 - 04/11/08 01:19 PM

DGR-

Slug and measure your barrel.
Post to us here what your bore and groove diameters are, and what rate of twist your barrel is.

From there you'll no doubt get level-on advice on how to load for your new rifle.

Bore rifles are distinctly a class upon themselves, the rifles typically unique of all others.
You'll be best to load for your rifle, it's easy and cheap to do, and you'll get consistent, powerful, and accurate loads.
To put it simply, bore rifle shooters are handloaders.
You'll almost definitely need to make your own ammunition.

...and you'll LOVE it!

--Tinker

--------------------
--Self-Appointed Colonel, DRSS--

"It IS a dangerous game, and so named for a reason, and you can't play from the keyboard. " --Some Old Texan...

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DGR375
.300 member

Reged: 04/10/07
Posts: 131
Loc: Gold Coast, QLD

Re: ammo for 12 bore rifle [Re: tinker]
#118308 - 04/11/08 07:31 PM

Thanks, Tinker. A good idea. I'm just waiting on the Permit to Acquire to arrive, and then I can pick it up from the local dealer. Slugging the barrel will be my first job, along with Rigbymauser's suggestion. Thanks, Rigbymauser.
Thanks also to you, fallingblock. Do you have any other information, or know where I can find out more about London Guns? A quick google showed no results;I will ask Graeme Wright next time I see him, but it may be a while.

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fallingblock
.224 member

Reged: 16/06/05
Posts: 32
Loc: Western Wisc.

Re: ammo for 12 bore rifle [Re: DGR375]
#118321 - 05/11/08 02:31 AM

John Saunders is the owner of Century Arms and is still in the Melbourne area in Balwyn.
61-3-9836-1148 They are doing a very nice looking .22lr double rifle.

Does anyone in OZ have a good idea for shipping firearms to the UAofA?

Cheers,
fallingblock

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ALAN_MCKENZIE
.400 member

Reged: 24/03/04
Posts: 1214
Loc: Western Australia

Re: ammo for 12 bore rifle [Re: fallingblock]
#118433 - 07/11/08 12:53 AM

http://www.centuryarms.com.au/docs/double.html

Here you go.
Al

--------------------
"Dogs always bark at their master"
Sir Seretse Khama.25th June 1949

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450_Ackley
.375 member

Reged: 06/02/03
Posts: 583
Loc: Darling Downs, Qld Australia

Re: ammo for 12 bore rifle [Re: ALAN_MCKENZIE]
#118461 - 07/11/08 08:25 AM

DGR375,
Did you perhaps get one of the pair that were for sale on the Antique Arms Auction site? If you did, Congratulations, they are both fine looking firearms, actually Congratulations anyway, you'll love playing with the bore gun, they are a tonne of fun to load for and to get to shoot.

Regards,
David.

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DGR375
.300 member

Reged: 04/10/07
Posts: 131
Loc: Gold Coast, QLD

Re: ammo for 12 bore rifle [Re: 450_Ackley]
#119603 - 27/11/08 09:39 PM

Yes, David, it was lot 546 from the auction. Actually, I received a phone call from the fellow who bought the other gun plus the case the numbered pair came in, and he asked, pleaded, for me to sell it to him, so that the pair would be together in their proper case. Long story short, I sold it to him, and it is now on its way. It was a lovely gun, beautifully designed and built.

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