336 rechambered to 358

[wvfarrier]

I've been emailing back and forth with Reagan Nonneman regarding converting a 336 30-30 to 358 winchester. Has anyone had this done?

[wvfarrier]

No one

[gundownunder]

The 336 is designed for the 30-30 at 42,000 PSI. The 358 Win is a necked up 308 Win, designed for rifles that can handle 62,000 PSI.

You could down load it, but the first time somebody puts a factory round into that rifle, they are going to find their fingers, their face, and their rifle, scattered all over the paddock.

What else do you want to know about that conversion?

If you really need a 35 caliber 336, look up the 35/30-30 wildcat, or get the 336 factory chambering, the 35 Rem. You could step up a size and go with the 38-55.

If you need a 358 lever gun you can get it in a Browning BLR, a Sako Finnwolf, or a Savage 99.

[4t5]

Maybe a HENRY "LONG RANGER" should be in your future. Easier, safer alternative.

[Twodot]

You should be talking with him on a 356 Win conversion, or as mentioned a 35/30-30.
..

[wvfarrier]

Interesting. When I asked him of it was safe he said absolutely safe for factory powered ammo.

[AJMD429]

Double check the '356' versus '358'....it is an easy, and big, mistake to make.

A 35 Remington or 38-55 Winchester conversion would be a natural, though, and well-exploits the gun's potential.

[TedH]

.

[Thunder50]

I had JES rebore a Marlin xlr 30-30 and turn it into a 356. It works also with 308 win brass opened up to 358. Ejects fine. Factory 356win ammo is just a bit sticky as Jesse said it would be.

[Buck Elliott]

Back in the old days, before there was a .356 or .307 Winchester, I rechambered or rebarreled '94 Winchester to cartridges based on shortened .444 Marlin brass, sized and formed in .308 and .358 dies.. The resulting rounds are virtually identical to the later .307 and .356 factory rounds.. 52,000 CUP didn't seem to bother those 94s, and I never got any negative feedback from the owners..

[Mainehunter]

JES converted my 336 35 Rem to 358 Win. few years back. I was getting tired of the seasonal runs of 35 Rem brass and I had a large stash of 308 LC brass. It came out very well and shot great. I ended up trading it with my nephew since he reloads and fell in love with it. I've read all the arguments on doing it and not doing it. The way I look at it there are different levels of fire arms, bolt, lever, single shot in let say 45-70. Anybody that has some common sense isn't going to stick a hot loaded 45-70 in a Trapdoor that was meant for a Ruger #1. BUT IMHO this particular setup I feel more comfortable using custom hand loads (reduced power) instead of factory 358 Win. I've read guys used factory loads in their rifles but I think that's pushing it.

Mainehunter

[Tycer]

I agree with Hobie.

http://shootingwithhobie.blogspot.com/2 ... chive.html

" . . . With all that information do I think the Marlin 336 will suffer a catastrophic failure with a few rounds of .308 or .358 Winchester ammo? What I think is that you can ruin the rifle without it coming apart like this one. I also think that such a re-chamber job does a disservice to all after the original owner who might want to use the gun. I don't think that is responsible or right. "