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Joined: May 2021
Posts: 608
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OP
Campfire Regular
Joined: May 2021
Posts: 608 |
So I've got almost everything together or on order for doing a 35x57R rifle I think, and looking for any information or tips and tricks that other people have on doing so. I've got a set of 35 Whelen dies inbound, I've got a .358" barrel blank, I've got 7x57R brass inbound (shoulder/neck look like they'll sit closer to where the dies will once trimmed). Obviously being a rimmed variation on the wildcat may present some issues, but it's necessary for the SMLE action I'm using so I'll worry about that as I get to it. How do people usually shorten the 35 Whelen dies for 35x57? I know being a rimmed cartridge the headspacing process won't be exactly the same as on the non rimmed wildcat, but any recommendations beyond just stopping and fitting every now and then for cutting the chamber without going too deep since the reamer is for a longer cartridge?
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Joined: Mar 2018
Posts: 1,020
Campfire Regular
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Campfire Regular
Joined: Mar 2018
Posts: 1,020 |
The relative relationship between the 7mm-08 Rem and 7x57 Mauser can be used as an interpolation base line to draw a similar comparison to the 358 Win and a .358"x57mm wildcat.
I'd be checking every possible source of information and working up slowly with loads. 8x57mm brass should be abundant. 9.3x57mm Mauser brass is also available from time to time
Mule Deer has some great formulas for determining a cartridges performance capabilities, but the water capacity needs to be measured first.
I'd keep pressures reasonable and barrel life won't be a concern.
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Joined: Sep 2004
Posts: 2,701
Campfire Regular
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Campfire Regular
Joined: Sep 2004
Posts: 2,701 |
Why would you shorten 35 Whelen dies when you can buy 9x57 dies? If you start with 8x57R brass you will gain case capacity.
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Joined: May 2021
Posts: 608
Campfire Regular
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OP
Campfire Regular
Joined: May 2021
Posts: 608 |
Why would you shorten 35 Whelen dies when you can buy 9x57 dies? If you start with 8x57R brass you will gain case capacity. Three reasons: A) 35 Whelen dies are cheaper and more available than 9x57 B) 35 Whelen reamers are more readily available than 9x57 C) I still haven't quite decided how I'm going to ream this to cut the rim if needed as well, so the longer dies and longer neck of 7x57R give me some wiggle room to mess around with this a bit. If I use the 8x57R shoulder length like I'd prefer, I'd have 3mm excess between the end of the neck portion of the chamber and my brass.
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Joined: Sep 2004
Posts: 2,701
Campfire Regular
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Campfire Regular
Joined: Sep 2004
Posts: 2,701 |
Makes more sense now that you say you want to ream it with a 35 Whelen reamer.
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Joined: May 2002
Posts: 4,083 Likes: 1
Campfire Tracker
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Campfire Tracker
Joined: May 2002
Posts: 4,083 Likes: 1 |
Why not just build a 35-303, C&H has dies, cut the chamber with a 303 reamer and cut the neck and throat with rental tools.
I had an Epps built number 4 35-303 back in the late 1960s
After the first shot the rest are just noise.
Make mine a Minaska
Heaven has walls and rules, H-ll has open borders
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Joined: May 2021
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Campfire Regular
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OP
Campfire Regular
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Primarily to be different
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Joined: Feb 2005
Posts: 4,662 Likes: 2
Campfire Tracker
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Campfire Tracker
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I wouldn't spend $$ on 7x57R brass, I would use 444 Marlin brass and set your shoulder where you want it.
Some is Good---More is Better----Too Much is Just Right
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Joined: Oct 2005
Posts: 1,800
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Campfire Regular
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Primarily to be different Chortle. Style points for fessing up, and at least one notch added to your looney card!
Carry what you’re willing to fight with - Mackay Sagebrush
Perfect is the enemy of good enough
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Joined: May 2021
Posts: 608
Campfire Regular
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OP
Campfire Regular
Joined: May 2021
Posts: 608 |
I wouldn't spend $$ on 7x57R brass, I would use 444 Marlin brass and set your shoulder where you want it. I considered that, but the 444 uses a .02" smaller rim compared to the 7x57R and thanks to the Lee Speed I already know that the 7x57R brass won't give me any ejection issues. Primarily to be different Chortle. Style points for fessing up, and at least one notch added to your looney card! We're all loony here
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Joined: Jun 2002
Posts: 11,953
Campfire Outfitter
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Campfire Outfitter
Joined: Jun 2002
Posts: 11,953 |
I get the "loonyism" here but in my opinion, you're be far better off doing up a 9.3x57 on a 98 action. Similar (non-wildcat) cartridge in a better, stronger action that will cost you less overall. Win/Win/Win!
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