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450_366
.400 member

Reged: 17/01/07
Posts: 1068
Loc: Sweden, west-coast.

What cartridge is this?
#156332 - 13/03/10 06:22 AM

I have a 577/500 #2 that has been shot and reformed in a double at some time.

What is it if not the no.2?

The original No.2 on the right.

--------------------
Andreas

"Yeas it kicks like a mule he said, but always remember that its much worse standing on the other end"

Edited by CptCurl (14/03/10 11:19 PM)

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lancaster
.470 member

Reged: 06/05/08
Posts: 9296
Loc: There's a lighthouse in the mi...

Re: What cartridge is this? [Re: 450_366]
#156334 - 13/03/10 06:27 AM

there is another 577/500 31/4 BP magnum express iirc, maybe your cartridge was shot in such a rifle

--------------------
Norwegian hunter misses moose, shoots man on toilet
.
bringing civilisation to the barbarians

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Tatume
.400 member

Reged: 09/06/07
Posts: 1091
Loc: Gloucester, Va USA

Re: What cartridge is this? [Re: lancaster]
#156336 - 13/03/10 06:34 AM

I have seen more than one old gun that had a mis-shaped chamber. The 38-40 rifle/pistol cartridge comes to mind. They often blow the shoulder forward just like yours. I suggest this may be the correct cartrige identification, despite the mis-located shoulder.

--------------------
Take care, Tom
NRA Life Member

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AkMike
.416 member

Reged: 19/11/05
Posts: 2576
Loc: Anchorage, Alaska

Re: What cartridge is this? [Re: lancaster]
#156337 - 13/03/10 06:37 AM

The name of it's big brother is 577/500 Magnum 3 1/8"
I'm getting ready to load for one now. If you post some of the measurments I'll compare them to what I have for the fired brass.

Have you compared this one to the 577/450 for the OAL and shoulder placment? Possibly it is a 50 caliber wildcat?

--------------------
"When you see that in order to produce, you need to obtain permission from men who produce nothing; when you see that money is flowing to those who deal not in goods, but in favors; you may know that your society is doomed." Ayn Rand

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450_366
.400 member

Reged: 17/01/07
Posts: 1068
Loc: Sweden, west-coast.

Re: What cartridge is this? [Re: lancaster]
#156340 - 13/03/10 06:54 AM

Quote:

there is another 577/500 31/4 BP magnum express iirc, maybe your cartridge was shot in such a rifle

The shoulder is a bit furher back on this one and steeper.

Quote:

I have seen more than one old gun that had a mis-shaped chamber. The 38-40 rifle/pistol cartridge comes to mind. They often blow the shoulder forward just like yours. I suggest this may be the correct cartrige identification, despite the mis-located shoulder.

Yeah, i start to think so also. At some time thay cleaned the chamber by removing some metal.

Quote:

The name of it's big brother is 577/500 Magnum 3 1/8"
I'm getting ready to load for one now. If you post some of the measurments I'll compare them to what I have for the fired brass.

Have you compared this one to the 577/450 for the OAL and shoulder placment? Possibly it is a 50 caliber wildcat?

The 577/450 has an even longer neck than the 577/500, so thats probably not it. Could be a wildcat but i was thinking it could have been an early german cartridge.

--------------------
Andreas

"Yeas it kicks like a mule he said, but always remember that its much worse standing on the other end"

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Tatume
.400 member

Reged: 09/06/07
Posts: 1091
Loc: Gloucester, Va USA

Re: What cartridge is this? [Re: 450_366]
#156341 - 13/03/10 06:58 AM

Quote:

I have seen more than one old gun that had a mis-shaped chamber. The 38-40 rifle/pistol cartridge comes to mind. They often blow the shoulder forward just like yours. I suggest this may be the correct cartrige identification, despite the mis-located shoulder.
Quote:

Yeah, i start to think so also. At some time thay cleaned the chamber by removing some metal.

The guns I have examined were made that way. I don't know why.

--------------------
Take care, Tom
NRA Life Member

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tinker
.416 member

Reged: 12/03/05
Posts: 4835
Loc: Nevada

Re: What cartridge is this? [Re: Tatume]
#156365 - 13/03/10 04:36 PM

They were doing all sorts of crap with chambers in the early express cartridge period.

Is this a Birmingham rifle?
NA&A was doing virtually a 'magnum cartridge of the week' during the 70's and 80's

Consider whatever shape/dimensions there as 'period cool' and run the hell out of it.

Cheers
Tinker

--------------------
--Self-Appointed Colonel, DRSS--

"It IS a dangerous game, and so named for a reason, and you can't play from the keyboard. " --Some Old Texan...

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