Gentleman, a while back there was a thred about
rechambering a 336 Marlin from 35rem to 358win.
Most of the people here didn't think this was a good idea. But since then I have seen 2 336's
in 375win. Since it is also rated at 52,000 cup
like the 358, why would the above rechamber not
be ok? Yes the 375win was a factory chambering.

Thanks, Mike

I believe that the Marlins in the newer beefed up lever gun calibers (307,356, 375) were made of steels which were heat treated differantly then your run of the mill 336. - Dan

In addition to the pressure differences there are the case dimension differences to contend with: The 35's head size is .460 to the 358's size of .473...the length is 1.9 inches vs. the .358 Win case of 2 inches....

As Dan said, the 35 Rem is a 40,000 CUP, while the .358 Winchester goes well into the mid 55,000 psi levels. Winchester made the .375 & .356 and .307 in a heavier framed model 94. Im not sure about the Marlins.

I think this is one of those cases where buying a used gun in the caliber might be better proposition.

Mike

I believe the conversions were 35 Rem. to 356 win. and SSK is/was doing them. The 356 operates at lower pressure than the 358.

I had a 336 rechambered to .358 Win from .35 Rem several years ago and a few months ago had it rebarreled to 7-30 Waters. In retrospect, I wouldn't go the .358 Win route again and certainly wouldn't encourage others to do it either. I quickly concluded that I needed to keep pressures down to about the equivalent of the .356 instead of the full house .358 to prevent the gun from coming apart. Recoil of a .358 in the light 336 carbine becomes noticeable, particularly at a shooting bench. The tubular magazine also prevents utilizing bullets with very high ballistic coefficients, so you are still limited in bullet selection and really cannot achieve full effectiveness of the .358 Win. OTOH, my converted 336 fed and extracted the .358 cartridges without any difficulty as long as I paid attention to the overall cartridge length constraints. Long bullets simply had to be seated a bit deeper.

A fellow I know had one converted,His was a 30-30 so he had the correct bolt size.He had a 35 Rem barrel chambered to 356 and installed.Starting with a 35 Rem you would have to open the bolt face and I think do some shell lifter and loading gate mods.I have a Marlin 336 in 35 Rem that I'll sell to anyone in Western Canada.

Thanks for the replies. The reason I asked, is I
bought one of these about 6mo. ago. I was about
to start reloding for it, so I will load it down
and have some fun. I mght try some of the 357
pistol bullets.

Thanks, Mike

mm, is your marlin in 356 or 358? If 358, be cautious. - Dan

Dan, it is in 358. But I will just use load data
for a 356.

Mike

Let us know how it goes MM. I'm quite curious. (But don't hurt yourself!)- Dan