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Post by aulrush on Nov 8, 2011 16:00:51 GMT -5
Just wondering if it would be possible to shorten and neck down a 50 bmg case to .358 x 1.8" to be legal for indiana pcr rule. Aka the .358 RUSH.
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Post by lon371 on Nov 8, 2011 19:39:52 GMT -5
I dont know if it would work. But that would be a crazy looking critter.
Lonny
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Post by danf on Nov 8, 2011 20:04:34 GMT -5
Theoretically and legally, yes, it would work. Economically, it would be quite expensive (price 50 BMG brass and primers). I have a feeling that throat erosion in the chamber would be on the severe side. Not to mention the action that would have to be used just to simply chamber the round would be quite large and heavy. I have no wild guess as to what speeds would be attainable, but I would have to guess that you would likely have to use the heaviest bullets available and/or solid copper since speeds would likely be more than the conventional bullets would be able to withstand.
If you have the time, money and the ability to get a wildcat like that tested, go for it. If you are at all serious about this project, I'd suggest looking into the .45 and .475 caliber offerings for bullets- especially the .475's.
My opinion is that it's not a wildcat that would ever be able to reach full potential- bullet selection will be the limiting factor.
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Post by jordanffemt on Nov 9, 2011 0:22:30 GMT -5
hmm
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Post by hankhunter on Nov 9, 2011 8:04:01 GMT -5
The receiver size would be too large and hard to find for an easy carry hunting rifle. The 358 win would be easy to do. With a short neck, you wouldn't have to change anything. Just cut the neck back, load it, and shoot it.
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Post by aulrush on Nov 9, 2011 11:34:13 GMT -5
Heres a quick sketch would be looking to build on a single shot platform possibly for the encore frame. Also looking at the .375 caliber as well. Attachments:
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Post by hornharvester on Nov 9, 2011 12:21:45 GMT -5
For all the expense it would take and cost of brass plus weight of gun I doubt there would be too many takers especially since the 35 WSSM is now legal and the modified 308 cartridge soon will be . IMOP the 35 WSSM is hard to beat for a legal Indiana deer rifle that is good to 400 yards. h.h.
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Post by 45shooter on Nov 9, 2011 18:25:34 GMT -5
Anything is possible given enough time and money. It would be an interesting to see the results if you decide to go down that route.
hankhunter - I don't think that simply cutting down the neck on a 358 win will work. The neck length would be less than 0.1inches. I think you would also have to move the shoulder back somewhat as such a short neck would create bullet alignment and neck tension problem.
From a practical standpoint, I have to agree with hornharvester. This summer, I built a 358 BFG on a Savage M11 originally chambered in 270WSM. The whole project has been really fun. I am looking forward to Saturday when I get to see how it performs on live targets.
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Post by danf on Nov 9, 2011 21:23:30 GMT -5
Heres a quick sketch would be looking to build on a single shot platform possibly for the encore frame. Also looking at the .375 caliber as well. I'm no gunsmith, but you'll never find one to chamber either one of those in an Encore. Encore barrels are 1" in diameter at the breach, as I recall. Which means you'll have less than .100" in the chamber walls. Might work for a shot or two, but it won't last long at all. |
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Post by djlattis on Nov 10, 2011 6:06:32 GMT -5
Over kill if you ask me
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Post by aulrush on Nov 11, 2011 12:30:10 GMT -5
Here is some sizing to make the m48 spotter round from the 50 BMG, similar process that i will need to do to form the brass. www.daplane.com/50bmg/m48/blank2m48.htmEncore barrels are avaliable up to a 1.250 diameter at the breech. Would this be acceptable or do I need to look for another platform. Hopefully this will give me some long range. haha Attachments:
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Post by danf on Nov 11, 2011 21:31:37 GMT -5
You need to look elsewhere. Even if they are available that large, the extra diameter will only be at the top of the barrel- the sides will need to be milled down to fit the frame, and the bottom will need to be milled down so the lug can be welded on and put the center of the bore in line with the firing pin. 50 BMG is simply too much for the Encore, even if it is a shortened and necked down wildcat. From one of the experts: sskindustries.com/encore |
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Post by M4Madness on Nov 12, 2011 19:56:42 GMT -5
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Post by esshup on Nov 13, 2011 0:00:56 GMT -5
It'll be hard to form the neck because of the brass wall thickness that close to the base of the case. You'll have to remove some of the brass to thin it down - more work than I was willing to go thru.
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