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Joined: Nov 2009
Posts: 15
Boxlock
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OP
Boxlock
Joined: Nov 2009
Posts: 15 |
Any of you folks have a good place to start with reduced loads in a 577 2 3/4? I want to do some target and general pleasure shooting.
Thanks,
TC
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Joined: Jun 2008
Posts: 5,696 Likes: 226
Sidelock
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Sidelock
Joined: Jun 2008
Posts: 5,696 Likes: 226 |
Hello, A few questions first. 577 BP Express or 577 Nitro? What bullet will you be using? The BP is best suited with 520 to 650 grain bullets and the Nitro rolls out with a 750 grainer. Cast, jacketed? What case? A-Square cut back? Bell? Eldorado?  What gun? Single or double? What range 50, 100, ?? Black or smokeless? Mike
Last edited by skeettx; 05/16/10 09:06 PM.
USAF RET 1971-95 ![[Linked Image from jpgbox.com]](http://www.jpgbox.com/jpg/57865_80x60.jpg)
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Joined: Nov 2009
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Boxlock
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Boxlock
Joined: Nov 2009
Posts: 15 |
Good questions
I'll cast my own ,so anything 500 to 750,
The case MAGTEC 28 ga.
SXS 1:26 twist, Steel barrels
50 to 100 yards
Last edited by Tall Chief; 05/16/10 09:08 PM. Reason: forgot range
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Joined: Jun 2008
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Sidelock
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Sidelock
Joined: Jun 2008
Posts: 5,696 Likes: 226 |
Hello Thanks for the reply. You will need 24 gauge Magtech hulls not 28 gauge hulls. They are baloon head cases and are better suited for black powder but can be loaded with some light smokeless. The Magtech cases are less than 2.5 inches in length, Actual Length of Hull: 2.43" http://www.midwayusa.com/viewProduct/?productNumber=195393http://www.buffaloarms.com/browse.cfm/4,6483.html What gun? How old? Hammer or hammerless Mike
Last edited by skeettx; 05/16/10 10:11 PM.
USAF RET 1971-95
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Sidelock
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Sidelock
Joined: May 2006
Posts: 625 Likes: 1 |
Hello TC,
If your using Black Powder use a lighter bullet, do not reduce the powder charge volume, air space inside a BP cartridge is very dangerous indeed.
Try and obtain some correct length brass,or some .577 x 3" basic cases, and cut down to length. None are cheap but you won't need more than 30-50 cases and they will last you a very long time, if you pay attention to cleaning them after every use. Not many folk like to fire more than 20 or so rounds in any range session.
I'd recommend you don't use short shotgun brass, as on firing lead bullets 'bump up' and you'll soon find that there is a ring of sheared off lead between the end of the brass case and the start of the rifling, the bullet is going to have to jump more than 1/4" from the case mouth to the rifling. Your accuracy will probably be better if you just threw the bullets at the target.
Shotgun brass is all right for making the .577 Snider case but that is shorter then the 24 gauge brass.
I've shot .577 Snider, .577 BP Express and .577/450 Martini-Henry rounds for over 40 years. All in full military or hunting specification loads, so have a fair bit of experience in loading these rounds.
Bill Flemings book 'British Sporting Rifle Cartridges' gives 11 different BP loadings with bullet weights ranging from 480 to 650 grains with powder charges (Black Powder) ranging from 135 to 176 grains for this cartridge.
There's really no such thing as a light plinking or target load with a .577 round irrespective of case length.
Get your cases the right length and use correct loads and have fun.
Harry
Biology is the only science where multiplication can be achieved by division.
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Joined: Nov 2009
Posts: 15
Boxlock
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Boxlock
Joined: Nov 2009
Posts: 15 |
Thanks to you both,excellent information.
Skeettx, yes, I am wrong it is for the 24 ga magtec cartridge and the chamber is bired to fit that same, and not the full length "official" 2 3/4. The gun is a very nice, tight and sound Remmington 1889 hammer 10 bore with steel liners from a smith up in Oregon who has been making these for a while. My gun was the donor.
Harry, thanks for you advice on the BP loading, I do remember that BP does not like void spce and will most likely try some of the newer powerds like Varget or others which provide considerably less pressure. It even appears as though 4198 charges of about 39-45 grains is possiblt too.
Will only experiment prudently, but was asking if some had some basic loading.
Have a Great week all
TC
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