New lightweight mountain rifle, with a heavy side of Grizz. Debate starter.

I've got a glut of 7x57 and 8x57 brass too, seems a natural step up in bore when combined with the pile of .375 bullets and holds around here. Also have 500 .270 brass I haven't found a use for and will try forming and trimming from I suspect. Seems the 9.5x57 is a slightly "improved" case from the get go, and reformed 9.3x57 won't headspace adequately for fire forming without expanding to .40, then stepping down to .375 to form a mini false shoulder, then fire form. I need more camp projects anyhow now that the pipe is done...
 
Ardent said:
I've got a glut of 7x57 and 8x57 brass too, seems a natural step up in bore when combined with the pile of .375 bullets and holds around here. Also have 500 .270 brass I haven't found a use for and will try forming and trimming from I suspect. Seems the 9.5x57 is a slightly "improved" case from the get go, and reformed 9.3x57 won't headspace adequately for fire forming without expanding to .40, then stepping down to .375 to form a mini false shoulder, then fire form. I need more camp projects anyhow now that the pipe is done...
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If that is Winchester .270 brass... I can help you find a use for it... I have a WTB ad in the EE as I write this... ;)
 
philthygeezer said:
What's the difference between this and the .375 Chatfield-Taylor?
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The .375 Chatfield -Taylor is built on the .338 Winchester case, the Scovile is just a .375 bullet seated in the 9.3X62 case, or in a .30/06 case reformed to move the shoulder forward for a significant increase in powder capacity. The .375 provides for an increase of a mere .009" of bullet diameter, but some barrel makers, like Ron Smith, make a .375 barrel but not a .366; therefore I chose the Scovile for my rifle.
 
While not 6lb rifle, my 375 Ruger in a Macmillan stock and without a scope feels under 8lbs and is pretty pleasant to carry. (I'm assuming you are still scopeless) With scope and rings I think I weighed it at 8.5lbs

But you seem set on the x57 case so just choose whatever diameter bullet you want and use it. The x57 case has seen plenty of neck ups and downs.....Nothing wrong with looking at a 338x57 either.
 
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I'm now into single shots and wouldn't hesitate to pack them up mtns or into grizzly country.

I have two setups that I wouldn't hesitate to use in this scenario both are chambered in 375 cal cartridges.


1) 21" T/C Contender carbine in 375JDJ was a 375 Win but had JD Jones of SSK Ind the cartridges designer rechamber the barrel for me case is a 444 Marlin necked down.

I load .375 cal 260gr Accubonds @ 2300fps I would not hesitate to take 300 yard shots on the biggest game with this light little combo.


2) Shortened to 22" barreled T/C Prohunter in 375H&H I load 250gr TTSX @ 2600fps.

For this intended purpose I would probably get the barrel shortened to 19" and reduce the velocity to 2450fps with this bullet but may also load 300gr Partitions @ 2350fps.


With synthetic stocks both these setups with VX 111/3 2.5-8X B&C reticle scopes should weigh in at appr 6 - 6.5lbs.
 
Gatehouse said:
While not 6lb rifle, my 375 Ruger in a Macmillan stock and without a scope feels under 8lbs and is pretty pleasant to carry. (I'm assuming you are still scopeless) With scope and rings I think I weighed it at 8.5lbs

But you seem set on the x57 case so just choose whatever diameter bullet you want and use it. The x57 case has seen plenty of neck ups and downs.....Nothing wrong with looking at a 338x57 either.
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I also like the idea of a .338 bullet. To me it's a good compromise between diameter, weight and smallish case capacity that Arden is looking at (x57 or .284).
 
No flies on .338 but I'm staying .375 as I'm already and geared up for it, and it's more efficient in a carbine anyhow. With modern monos I'll take a faster 235gr .375 over a higher SD .338 any day. I'd sooner go for 8mm than .338 as it's the same deal and easier to feed as well off the shelf. Since I'm going obscure on this I will keep it simple and stick with what I use, I'm probably the only guy here who loathes adding a new bore diameter to the bench.

.375 Ruger, WSMs, etc are not an option due to mag capacity (even though the Ruger doesn't fit anyhow, not at you BCsteve just thread comment). Gun has to be a repeater CampCook as it's for active use, not a deterent. Would love to carry the single shot but wouldn't do what I need to do with it.
 
A 458 2" with 350 gr swift A frames would work for bears and still reach out with practice. I know it's not the case your after but it would be a nice combo. Hits hard and let's a lot of light in. You're a Barnes fan I think they make a light tsx bullet as well. Should give 4 in the mag depending on stock and bottom metal
I have no experience with the 9.5 but it should do everything the 9.3 does and it works world wide and had done so for a long time
 
no flies on a 200 grain woodleigh @ 2650 in the 8x57, five down and no feeding issues. I see the attraction to the 3/8 bore if you are already set up for it however the 8x57 loaded right punches them pretty damn hard.
 
One cartridge I haven't seen mentioned that could possibly do exactly what you are looking for is the .376 Steyr (9.55 x 60mm) I'm not sure if it will fit in your action though.

270gr @ 2600fps in a 24" barrel my experience is a reduction of 20fps/inch velocity loss for 375 cal bullets so if you have a 20" barrel you're still doing appr 2500fps and you can possibly load a 250gr TTSX to 2600fps.

http://www.steyrscout.org/376steyr.htm
 
Good luck with keeping it between the lines...

Reminds me of the time I followed a drunk line painter on Highway 540... that was a hoot... yellow line from gravel to gravel to gravel and on and on... hysterical.
 
Ardent said:
I do wish people would read the pages of discussion, and even post #1 at the least, before suggesting 8x57s and even more curious cartridges longer than the action. ;) But that's all part of Internet fun I suppose.
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Pfffft, if the .375 Ruger won't fit just take that Satterlee to the local pawn shop and buy yourself an action that will.
 
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