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Shooting & Reloading - Mausers, Big Bores and others >> Big Bore Rifles
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85lc
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Reged: 19/01/18
Posts: 1029
Loc: Georgia, USA
500/416 NE case dimensions
      #376611 - 10/05/23 03:39 AM

Does anyone have the case dimensions to the 500/416 NE?

I am interested in rim thickness. I need a parent case for a WR 500/450 #1 which has a rim thickness of 0.063" (thicker than the standard 500 NE which is 0.040"

--------------------
RB

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kuduae
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Reged: 13/01/10
Posts: 1792
Loc: middle of Germany
Re: 500/416 NE case dimensions [Re: 85lc]
      #376612 - 10/05/23 05:04 AM

Same thin 1.02 mm = .04" rim like the .470 NE or the .500.

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3DogMike
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Reged: 29/01/15
Posts: 1464
Loc: Western Slope, Colorado USA
Re: 500/416 NE case dimensions [Re: kuduae]
      #376615 - 10/05/23 09:09 AM

You might try .50 Sharps basic 3 1/4 brass, yes, it is about impossible to find as well.

My early 1870’s Cogswell & Harrison .500/.450 #1 Express easily chambers the .50 Sharps case base/rim with a perfect fit.
Of course you do have to have the .50 Sharps 3 1/4” because the .50-90 Sharps is only 2 1/2” and thus too short.

If you can find the .500/.450 #2 Nitro Express 3 1/2” (equally hard to find), that will work as it is a thick rim. Possible that it might need neck reaming after sizing & trimming or maybe thin the rim to necessary thickness.

Generally the older BP Express chambers were a bit looser so don’t seem to need neck reaming or rim thinning.

Bertram does offer the ready to go .500/.450 #1 Express but it is currently nowhere to be found in the USA.

NOW: it IS possible to use the various cases like the .500/.416, .470, or .500 Nitro. You just have to headspace on the shoulder. Size a .470 or .500 just enough to close the action and fireform. The .040” rim is still plenty for reliable extraction.

- Mike

--------------------
"Will Rogers never met a fighter pilot"
- Anon

“Always carry a flask of whiskey in case of snakebite, and furthermore always carry a small snake."
-- W. C. Fields

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Marrakai
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Reged: 09/01/03
Posts: 3586
Loc: Darwin, Top End of Australia
Re: 500/416 NE case dimensions [Re: 3DogMike]
      #376618 - 10/05/23 10:25 AM

yes, what Mike said.

Almost finished my response when the phone rang and I got distracted, here it is anyway fwiw:

85lc:
I'm sure you will have already considered this, but in bottle-neck cases with a relatively well defined shoulder like the 500/450 it is a simple matter to head-space on the shoulder, in which case rim thickness becomes irrelevant.

Obviously you are making your own cases so setting the perfect tolerance for your rifle should give better case longevity than relying on rim thickness consistency from some of the donor brass manufacturers.

--------------------
Marrakai
When the bull drops, the bullshit stops!
--------------------------------
www.marrakai-adventure.com.au

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CJF
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Reged: 07/08/17
Posts: 274
Loc: United States
Re: 500/416 NE case dimensions [Re: Marrakai]
      #386429 - 21/08/24 01:20 AM

Roy,

I forget if we talked this already, but I now also have a 500/450 No1 Express...a Tranter double patent rifle. I'm using 500/416 brass formed by a friend to have a few cases to shoot. In the process of chopping more 500/416 down to 2 3/4" (+ a tad extra) to go fireform. Never tried this before, but the rifle is very accurate with some quickly assembled rounds and I'd like more to see what it can do.

Chris

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