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Discussion Starter · #1 ·
Does anyone make a .357 rifle magnum like a 300 win mag necked up or similar or based on other shells?
 

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The Hog Whisperer (Administrator)
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.358 Norma. and Layne Simpson's wildcat, which is the .358 Shooting Times Alaskan, I think. Don't think either is a current chambering but they're both just a reamer away....
 

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There has been a lot of interest in the 358STA since it came out. I know smiths with both 358 Norma and 358STA reamers.

Wildcatting I have seen the 358WSM, (australia) 35 RUM along with others making a 35 caliber off the WSSM case.

Neal
 

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There's a beautiful 358 STA for sale on Gunbroker. Large price tag, though.

The 358 STA is a necked up 8mm rem mag, which I think is based on the 375 H&H cartridge.

The 358 Norma is a necked up 300 WIn mag or 338 Win mag.

Still waiting for Hornady/Ruger to neck down their 375 Ruger to 358. Guess that's a job for one of us.
 

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Check out data for the 358 Nukalpiaq on the Alaska Outdoor Forum. It is the 35-375 ruger. A gentalman called murphy has recently posted some load info under the shooting forum.. They have reamers and headstamped brass worked out.
 

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Discussion Starter · #7 ·
not a fan of ruger caliber's.Anyways im looking it a 358 sta fire's a 225 grain tipped bullet @ 3200 fps +.IF i was going to get a case to fireform brass for it would be the 358-378 200 grain @ 3700 fps ;)
 

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35 x 338 Ultramag

In the process of adapting my lefty 700 ultra in 338 to a properly headspaced cartridge, I got a zip spindle and 35 cal eliptical exp. from Hornady. I then necked up the virgin ultra cases, and then proceeded to neck them right back down, leaving a false shoulder at the crush fit junction. This way my cases stayed put against the bolt face. I couldn't do anything about the over diameter chamber in the Remmie, but the circlip ext. kept things pretty well centered. Point is that it's not much problem to neck em up to 35 cal.. Question is, are there really very many bullets that will take the spin and velocities of a 35 cal ultramag?
Even with the orig. 338's, over the counter bullets are questionable, and there's a bunch of 35 cal. slugs out in the market for 35 Rem. and 358 Win.. So why not flip a coin and go with one or the other of Rem's ultras, the 338 or the 375. Best of all, they still handle like any ordinary mdl. 700 magnum rifle. But I have to admit, that the 35 cal neck mod in my virgin 338 Ultra cases, makes for one mean looking customer.
 

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If you cant kill it with a 35 whelen, it aint cuz its not going fast enough ;)
 
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