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585 HE -- Barrels of Cases --

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Old 10-09-2013, 01:58 AM
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Join Date: Sep 2006
Posts: 101
585 HE -- Barrels of Cases --

585 HE --- Super Strong --

If you've followed our work in the 12ga FH thread you've seen
our 585 HE cartridge and its development. We have barrels
of cases and more coming.

We have put it in all kinds of guns, and tested it with 650gr
bullet over 3000 fps as heavy load to test the brass, and also
for lighter game like deer and hogs and target fun we found
that some of 440gr- 540gr 58cal Minie bullets work great

First picture shows it next to 505 Gibbs, it has same overall
loaded length as a Gibbs. Holds up to 190gr ball powder.

Next pic is a barrel of cases

Third representative of types of guns we have it in.Ed



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Old 10-12-2013, 11:30 AM
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Join Date: Sep 2006
Posts: 101
Re: 585 HE -- Barrels of Cases --

We get concerns about recoil. Guns are weighted a little, thick pads,
can be ported, use moderate loads, they shoot nice...And moderate
loads still much faster than 577NE. And can be had without costing a
years pay. Most local users(only 1 in 10000 hunters go Africa) can
shoot lighter .585 Minie bullets, which load for about 95 cents each,
once you have cases. Folks can get 100 cases, dies, barrel
to put in something for 750 bucks..Ed
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Old 10-12-2013, 01:14 PM
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Join Date: Oct 2006
Posts: 718
Re: 585 HE -- Barrels of Cases --

Will that fit in a #1?
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Old 10-12-2013, 02:53 PM
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Join Date: Sep 2006
Posts: 101
Re: 585 HE -- Barrels of Cases --

Yes it is perfect for a #1. The few #1s ever done in 577, they had
to relieve metal behind the action shoulders that breach block
rests against because of rim. Ours don't have to and the #1s
extractors I've seen work better with belted than rimmed.Ed

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Old 10-24-2013, 02:36 AM
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Join Date: Sep 2006
Posts: 101
Re: 585 HE -- Barrels of Cases --

Case doesn't need special made shellholder, number 31 RCBS fits fine.
It is a straight belted case that holds up to 190gr of doublebase powder.
Powder need not be like charcoal, IE, really slow powder, as necked
needs. So it has effiencies of 37-39%, where necked cases are
about 29%. Here is one done in a Savage..

The loads tested at high pressures about 65,000 psi, when extracting, the
weight of the bolt after opening pulled cases out. We've fired moderate
loads in singleshots that we mono-blocked barrels into and the cases fall
out after firing. Here are couple a nice singles with 585HE in them.

Cases are made super strong, in the same factory run as the super
high pressure Cheytac cases. The base of our case is same size ahead of
belt as Cheytac/Gibbs bases. Done with same cups and draws, just uses
a different header, bunter, and sizer. Here is picture of the one we made
and the factory one sectioned showing the strong built inside corners.
These are not balloon head junk cases.

We and CH4D have die sets, Manson makes reamers, and we have some.
Reamer specs all set and the chambers made with them, the cases
extract at the highest pressures.
Here is pic of one we set with 585HE in a Greener GP.Ed

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Old 10-26-2013, 08:19 PM
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Join Date: Jan 2012
Location: Georgia
Posts: 93
Re: 585 HE -- Barrels of Cases --

What is the parent case? If there is one...

Looks like itd be a perfect case to neck down to .375 and have a LR hammer. Probably get more MV out of that than a .375 CT.
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Old 10-26-2013, 08:40 PM
Silver Member
Join Date: Sep 2006
Posts: 101
Re: 585 HE -- Barrels of Cases --

I made first ones from straight, long, basic Nyati brass,
This was brass that had not been trimmed so I was able
to make a long straight belted case. There was a Nyati clone
made by GMA that I got basic cases for also.

The base of case ahead of the belt is same size as Cheytac
and Gibbs, so Bertram was able to make cases from same brass cups
and use the same tools for the case draws and just had to use
different belted header to finish cases at the end of the process.
Works out well as he doing these cups and draws steady. Ed
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