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358 WSM #15994450 04/14/21
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powdr Online Content OP
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Thinking about building one. Anyone shoot one Tell me about it. Loads, velocities etc. powdr

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Re: 358 WSM [Re: powdr] #15994500 04/14/21
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Esteban325 Offline
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I was looking at one developed by VA Silent Arsenal. Looks impressive, 250gr @ ~2700 @ 18 bl if I remember right. It is enough motivate me to write them to inquire conversion costs, limitations, powder suggestions. But I would probably just cut down a 325 since I already have one with 24" barrel. There is also the "35 Sambar". I don't know if these two are identical.

Re: 358 WSM [Re: powdr] #15994507 04/14/21
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I also seen one somewhat frequent user on this forum that may have built one- BigStick or something like that, maybe ask him. Kind of impatient and haughty persona but maybe he would have done one... the guy seems to like building stuff and appears to know a bit.

Re: 358 WSM [Re: powdr] #15998467 04/16/21
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How much will you gain over a std 358?

Re: 358 WSM [Re: powdr] #15999120 04/16/21
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Hammerdown Offline
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There is a cool factor with a 358 WSM.


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Re: 358 WSM [Re: powdr] #15999302 04/16/21
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bluefish Offline
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Originally called the 35 Sambar after being developed in Australia. 250s at 2700. Ooommmppphhhhh.


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Re: 358 WSM [Re: powdr] #16039789 04/29/21
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captjohn Offline
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So who might have a reamer or even build me a 358 wsm barrel for a montana action i have laying around, emailed VA silent arsenal and that was a no go. I have a Montana 1999 that was destined to be a short mag of some kind now needing a barrel.


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Re: 358 WSM [Re: powdr] #16055430 05/04/21
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bobinpa Offline
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Originally Posted by powdr
Thinking about building one. Anyone shoot one Tell me about it. Loads, velocities etc. powdr


I just did it. Just picked it up from my rifle builder a couple of days ago. I'll be necking up some 325 WSM brass and developing loads. I took a Win model 70 stainless classic in 270 WSM and rebarreled it.

Specs are M70 stainless classic action
Lilja stainless modified Winchester contour barrel in 12 twist.
Put it in a factory featherweight super grade stock.
Topping it off with a silver Leupold 4.5-14x40 VX3 in dual dove tails.

I have a few finishing touches to do to it yet, but I should be shooting it soon. I'll post my results when I do because it was difficult to get solid info. Some guys gave me solid advice but what they were shooting wasn't exactly what I want to try so, it will be tricky. I did a bunch of research on here and other forums so in the mean time I'll do some digging and post links to my threads so you can see what info I have.

What are your plans so far??



Last edited by bobinpa; 05/04/21.

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Re: 358 WSM [Re: powdr] #16055643 05/04/21
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Re: 358 WSM [Re: powdr] #16057578 05/05/21
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captjohn Offline
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bobinpa who built your rifle/barrel?


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Re: 358 WSM [Re: captjohn] #16059024 05/05/21
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bobinpa Offline
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Originally Posted by captjohn
bobinpa who built your rifle/barrel?


Sent you a PM


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Re: 358 WSM [Re: powdr] #16098591 05/19/21
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bobinpa Offline
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Originally Posted by powdr
Thinking about building one. Anyone shoot one Tell me about it. Loads, velocities etc. powdr


What did you decide? Are you building one?


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Re: 358 WSM [Re: powdr] #16101444 05/20/21
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captjohn Offline
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Yes, working on a reamer, love to find a reamer but looked all around and they seem to be scarce, so I will have a reamer for rent LOL, still working the reamer deal if someone has one and sees this.


Capt. John
Re: 358 WSM [Re: powdr] #16156604 06/09/21
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Seeing this, still looking for a reamer or a smith that might have one and wants some work, no hurry to get it done.


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Re: 358 WSM [Re: powdr] #16157999 06/10/21
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texken Offline
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might have to have one built??

Re: 358 WSM [Re: powdr] #16158423 06/10/21
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Charlie_Sisk Offline
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This can also be made into a 9.3 WSM.
Charlie


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Re: 358 WSM [Re: powdr] #16160314 06/10/21
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Any live pilot WSM reamer (except the 7WSM) can be bushed up and used. I bushed up and used my 6.5 WSM reamer, then neck and throat reamed. I used a Savage action and a Green Mountain barrel. It is still at 26", I just don't know what to cut it to, I'm liking 22" for handyness and reducing the weight. I had a guy in Iowa modify a set of 325 WSM dies for bushings and made me 35 cal bushings for the sizer die. It was cheaper than having custom dies made. I have only tried RL17, but in this day and age use any powder you can find in that range. The thump is a shove rather than a smack - about the same as my 358 Norma and much less that a 300 Win/Wby


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Re: 358 WSM [Re: powdr] #16161287 06/11/21
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Bugger Offline
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It's a lot like a 350 Remington Magnum


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