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336 in .358

That would require a complete redesign to strengthen it to handle the pressures. NOT SAFE.

Now the .356 Win. is another matter entirely. It is the same as the .358 Win. in outside physical dimension except it is a rimmed case. The case is thicker and operates at lower pressures safe in the Marlin.

All ya gotta do is to pack it up and sent it to SSK Industries one of the Sponsors of this site. (Banner on the Forums Index Page) and tell them to fix it for ya. They will rechamber it and turn it into a .356 Win. for ya. Back on the old Forums I think we had one or two guys who had them do this conversion for them.

GB
 

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A whole Bunch!

You saw what Winchester did when they decided to put the 307 in the 94. They beefed up the sidewalls! There's a BIG reason for that, called PRESSURE. Way more with the 358 than the 35 Rem.

I did a similar project, wanted to beef up an 1895SS to safely handle heavy 45-70 loads. I had access to a complete machine shop and so I made a new frame out of D2 tool steel and hardened it to 62 Rc.

Massive, heavy, and strong. Problem with that though is you sink a lot of money in it and if you decide to sell it you got a mongrol on your hands.

Coug
 

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336 in .358

I have a 336 that was rechambered for 356 rimless, which is nothing but the 358 Win loaded to 356 pressure levels and OAL! The 356 is nothing but the 358 with a rim and with a shorter OAL. Factory 358 cartridges won't work through the 336 action as they are to long, but if OAL is kept at the limit of the 356 it works slick. The 356 works at around 52,000 CUP and the Marlin action will handle it fine. There was some talk at one time about Marlin using a special heat treat on the 336 ER actions in which the 356 was chambered, But I talked to a retired Marlin employee several years ago when I designed a wilcat on the 336 about a special heat treat and he said there never was one, all tha actions get the same treatment!
Just use flatnose bullets keep OAL and pressures the same as on the 356 and the 356rimless/ 358 Win will work fine!
 

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336 in .358

The rifle started out as a 336 in 35 Remington and the work was done by Ron Carmichael at The Gun Shop in Lancaster California Ph# 1-661-942-8377. Not sure if this # is still good as the rifle was built a few years ago! I'm not sure what the rate of twist is, it's the stock Marlin 35 cal barrel, all that is done is a 358 reamer is used to open the chamber up! I get right at 2400 fps with 220 Speer FN bullets. It will shoot 1.750 groups at 100 yards which I feel is good enough out of a rifle of this type. Never shot an animal with it as I usually am testing out something else at the time of hunting season. I own a small company that makes hard cast bullets and spend most of my time using them on animals.
 

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Re: 336 in .358

Ebjonnes said:
What would have to be done to a 336 in .35 Rem. to convert it to a .358 Win.?
While the 358Win and 356Win both have a SAMMI rating of 52,000cup.The 358Win is at times loaded to 60,000psi in strong levers and bolts.Which I believe is beyond the Marlins range and over 52,000cup.Also as some mentioned it has a COL of 2.78,while the 356Win is 2.56.If you were to use 356Win loading data,and flat nosed bullets,and remain at 356 COL of 2.56.It would work.
Elton John,do not reply to anything I post.Do you understand? I will not be drawn in to your petty child like games.Your fantasy world of you great old hunter.Kill many game,is not only false but boring!Good Bye
 

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336 in .358

Enforcer, Glad to see you found this site, but I see you are still talking trash like you do over at the Marlin board! It is true that the 356 and 358 are both loaded to a SAMMI spec of 52,000 CUP but then you say at times the 358 is loaded to 60,000 PSI! CUP and PSI are not the same you can't use any formula to see how they average out against one another! 60,000 PSI just might be less then 52,000CUP. I talked to Mic McPherson just the other day about this and this man is a walking laboratory, and he says there is no way to compare the two. But he did say that CUP will usually register smaller #'s then PSI at the same pressure. This means that 52,000 CUP will have a larger PSI reading. I think what you might be doing is reading different loads in amnuals and one load will be listed under CUP and another will be listed under PSI. Mic says they are fazing out CUP and going to PSI. :D
El John O
 

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336 in .358

For anyone who might want one.

I have a Marlin .35 Rem. barrel that has been converted to .356 Rimless, which is no more than a .358 Win, for sale. I bought it from an old gentleman who didn't want his children getting hurt with what they might mistake for a .35 Rem so he had his 336, which he had converted to .356 Rimless, converted to 7-30 Waters. I had plans to convert a .35 Rem but sold it before I could get the work done and now the .356 Rimless barrel is collecting dust in my locker. All you would need to do is have someone exchange the barrels for you. The price is $100.00 plus $10 shipping anywhere. Contact me ASAP if you are interested as I plan on listing it on an auction site soon.
 

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336 in .358

45LC- Man,
I might know someone interested in that barrel and I will see him today! If so I will contact you tomorrow.
 

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336 in .358

>>>All .348 bullets are flat nosed and are safe to use in tubular magazines, a significant consideration in light of the fact that the best .35 cal. bullets are spitzers that are totally unsuited to safe use in tubular magazines. That was one of the problems of the .356 Win. A good round, in theory, but what do you load in it? <<<

This is really a really tubular magazine problem not a 35 caliber problem.
No offense to M71 fans, but for my use the .348 is about the last bullet diameter I would want to use for a wildcat. This is a bore with a relatively small choice of bullets.
True a lot of the 358 bullets are pointed but there are some excellent round and flat nose bullets also. There is nothing wrong with the Remington, Hornady and Speer bullets when used at these velocities. I suspect the Sierra bullet is very good in this velocity range. The .358 bore also has a large variety of cast bullets and handguns bullets available. Many of the bullets are very affordable and permit a lot of shooting for the money.

Ed
 

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336 in .358

I 've handloaded several .358 cases for my .356 just seated the bullet a little deeper to work thru my 94 action . They fed and cycled wonderfully!
And necked up .308 cases and done the same.
 
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