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Shooting & Reloading - Mausers, Big Bores and others >> Big Bore Rifles

3DogMike
.400 member

Reged: 29/01/15
Posts: 1464
Loc: Western Slope, Colorado USA

Re: Does anybody reload for .500 no.2?
30/03/16 01:28 PM

Two observations from experience:
1) the .500 #2 (.577-.500 #2 Express) is an oddball case, not easily made from any other.....
- .500 #2 base diameter .641" rim thickness .060"
- .577 Nitro/BPE base diameter .660" rim thickness .050"
It is possible with minor lathe work to make .577 3" into proper dimensions. Pretty much need a forming die as well if you go that route.
Rim may need to be built up thickness to headspace properly.

2) I have a Cogswell & Harrison 1870's Swinburne/Mahindra/Martini type action (2xx) serial number sporting rifle in .500-.450 #1:
470 NE brass does indeed form nicely into .500-.450 #1 2 3/4", the .470 NE rim is too thin, however one can make it headspace OK on the shoulder. The other alternative is build up the rim thickness with a washer or snap ring to fit the rim recess in the chamber.
My easiest solution for my rifle was using .50 3 1/4" Sharps basic and trimming/forming......worked great and the base diameter and rim dia/thickness was perfect. (There were no SAAMI/CIP chamber specs in those days!)
- 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."
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Subject	Posted by	Posted on
Does anybody reload for .500 no.2?	Gundog01	29/03/16 12:02 PM
Re: Does anybody reload for .500 no.2?	dracb	29/03/16 04:21 PM
Re: Does anybody reload for .500 no.2?	Huvius	30/03/16 12:06 AM
Re: Does anybody reload for .500 no.2?	Postman	30/03/16 02:53 AM
Re: Does anybody reload for .500 no.2?	Huvius	30/03/16 04:24 AM
Re: Does anybody reload for .500 no.2?	Huvius	30/03/16 08:17 AM
Re: Does anybody reload for .500 no.2?	3DogMike	30/03/16 01:28 PM
Re: Does anybody reload for .500 no.2?	Huvius	30/03/16 01:56 PM
Re: Does anybody reload for .500 no.2?	3DogMike	30/03/16 02:48 PM
Re: Does anybody reload for .500 no.2?	Huvius	30/03/16 11:42 PM

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