| Posted: Sat Jun 28th, 2008 08:32 AM |
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Paul Tummers
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I did run into something completely new to me;
For some reason the Rolling Block system always attracted my attention and now I bought an antique Swedish army rifle with this lovely system in cal. 12,7x44R.
I never fired one grain of black powder in my entire life, n'either did I cast a bullet.
I am reloading for a couple of decades now for my rifles, and want to shoot this oldie too of course just for fun and to find out its potential.
Cases can be bought over here, but it seems to me, they also can be reformed from other cases, which would save me a $50 for 20 cases.
Who can help me in this?
Regards,
Paul T.
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| Posted: Sat Jun 28th, 2008 02:01 PM |
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Paul
Google the caliber. I saw one site that discusses using .348 Win cases, but that may be expensive also. There may be more info for you using google as a starting point. Good shooting.
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| Posted: Sat Jun 28th, 2008 02:19 PM |
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sdb777
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Here's a link for some brass: http://www.buffaloarms.com/browse.cfm?viewfrom=13&catid=39&step=2
Scott (I know nothing of this caliber) B
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| Posted: Sat Jun 28th, 2008 02:39 PM |
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Rockydog
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Paul, I think you'll find everything you ever need to know here. Check the reloading section. RD
http://www.rebooty.com/~dutchman/rb.html
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| Posted: Sat Jun 28th, 2008 09:24 PM |
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Paul Tummers
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Hi,
Thank you for the info!
I checked the sites, but still do not know which bullet moulds to order, because the stated size of .50 will perhaps be too large or too small.
I will have to wait for my rifle to be delivered, determine the exact groove- land measurement and try tro find a 350 grain bullet mould which can be used.
Unfortunately the Norwegian cases cannot be bought by me due to export/import regulations.
I'll have to wait another week or so and then I'll be able to provide more info.
Regards,
Paul T.
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| Posted: Sat Jun 28th, 2008 11:18 PM |
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Paul, when your last post was sent to my personal inbox, it was in Africaans,I think. Very interesting..related to Dutch or German??? Just curious..
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| Posted: Sun Jun 29th, 2008 08:19 AM |
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Paul Tummers
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3006 user schreef: Paul, when your last post was sent to my personal inbox, it was in Africaans,I think. Very interesting..related to Dutch or German??? Just curious..
Hi,
I do not know what happened there; I do speak/can write in Dutch, German and a little English, but do not have any contacts in Southern-Africa.
Is it possible to mail this back to me? paultummers1951@hotmail.com
I checked the sited recommended and do know something more, but still need the Item numbers of the moulds and calibrating sets used which promise the best results for these rifles.
As used as a decorative paper-puncher I tend to use a bullet in the 300-350 range and will stick with black powder, because the rifle system gives easy acces to the barrel for cleaning purposes.
Just a pity, I cannot buy the brass offered on the Buffalo site, due to regulations!
Regards,
Paul.
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| Posted: Sun Jun 29th, 2008 08:19 AM |
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Paul Tummers
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Ups.. double posted!
Last edited on Sun Jun 29th, 2008 08:22 AM by Paul Tummers
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| Posted: Sun Jun 29th, 2008 06:20 PM |
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drinks
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Paul, I cannot find the dimensions of the case but it seems some people use .348 win. cases to start with.
If you try the forum "Svartkkrutt.net board, you will find a discussion on the cartridge, it is being conducted in English so you should not have a language problem.
Don
Last edited on Sun Jun 29th, 2008 06:21 PM by drinks
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| Posted: Sun Jun 29th, 2008 09:15 PM |
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Paul Tummers
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drinks schreef: Paul, I cannot find the dimensions of the case but it seems some people use .348 win. cases to start with.
If you try the forum "Svartkkrutt.net board, you will find a discussion on the cartridge, it is being conducted in English so you should not have a language problem.
Don
Hi Don,
I checked the site and registered immediately!
There is some more info I can use, but nobody has specified the bullet moulds he uses, unfortunately, so I posted a question.
Forming cases, I do not think i will do this, because with 40 cases, well cared fore, I can do the rest of my life.
Regards,
Paul.
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BPCR Bill
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Paul,
As far as bullet moulds go, I would start by slugging that barrel and getting an accurate measurement of the bore and groove diameter. Next step would be to do a chamber cast with cerrosafe, being sure to get a good cast of the throat dimensions. Once you have this data, I would contact a custom mould maker. Steve Brooks in Montana, Hoch Bullet Moulds (Colorado Shooters Supply) in New Mexico, or Paul Jones of California. All these guys have great reputations for quality custom moulds, but it does get pricy, upwards of $200.00. They all lathe bore the moulds, no cherries used at all. And there is a bit of a wait time. The mould maker will need the aforementioned barrel dimensions to determine what size the mould should be, and they will also want to know what alloy you will be using. Harder alloys such as 20:1 or 10:1 will cast a larger bullet by a few thousandths than say a 40:1 alloy. The end result will be a perfectly round bullet that fits your rifle, no sizing required.
Also, determine the twist rate of you barrel, and you can then decide on what length bullet you will need for optimal stability. (The Greenhill Formula) The aforementioned individuals will work with you on a bullet design that will work in your particular rifle. I would recommend getting the book "BP Cartridge Reloading Primer" by Mike Venturino and Steve Garbe, available from Midway USA. That has a wealth of straightforward information on relaoding black powder cartridges.
A chamber cast will also be invaluable in obtaining brass cartridges. If all else fails, you can contact Dave Casey at Rocky Mountain Cartridge in Cody, Wyoming. He has a website and can make custome lathe turned cartridges for your rifle. I"m sure with a little work and patience (And Money)you can get this old rifle shooting well! Did I mention that Lone Star Rifles in Texas can install a set trigger in your roller??
Regards,
Bill Graves
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