| Posted: Sat Aug 1st, 2009 10:08 PM |
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Magnumwideglide
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I'm thinking of converting a Marlin 35 Rem to 358 Win. I just want to know what ballistics I'll get from 180-200 gr bullets.
The twist rates vary between the two calibers. I'm using the Greenhill formula just for info. SO I need the length of a 180 and 200 grain 35 cal roundnose rifle bullet if someone has bullets and a caliper handy. Thanks.
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| Posted: Sun Aug 2nd, 2009 03:41 PM |
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2nd Post |
cloverleaf
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I do not have any 180 or 200's as of yet just getting right into 358 win reloading. I have seen an article on the marlin conversion on 35cal.com and it looks like it's snap, you do not have to remove the barrel just remove bolt and ream chamber. Sounds like a nice project might have to try it my self but 35 marlins are hard to come by in these parts it seems guys hang on to them.
Anyway 220 speers are 1.20" they were concived for 35 rem and may be a good option for you. I know they got a great repution for bear up here.Last edited on Sun Aug 2nd, 2009 03:45 PM by cloverleaf
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| Posted: Sun Aug 2nd, 2009 10:05 PM |
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Paul B
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According to the rifling twist rate list in the Speer #10 manual, your Marlin should have a 1 in 16" twist. A 200 gr. round or flat nose bullet is standard for the .35 Rem. so that should not be a problem. That's more or less the good news.
I know it's already been done, but frankly, I think converting a 336 Marlin to .358 Win. is not a very good idea. The .358 win. is a much higher pressure cartirdge than the .35 Rem. and the head of the case is slightly different as well. The .35 Rem. has a head size of .460" and the .358 Win. is .473"
Personally, if I were in the market for a lever action in .358 Win., I'd take a close look at the Browning BLR or a M99 Savage (very pricey) in .358. I saw a very nice BLR at the last gun show I went to for $500 asking price. If I didn't already have one I'd have tried to dicker the price down a bit. would have been fairly easy as the .358 ain'y exactly popular out here in the desert southwest. Savage .358's unfortunately have serious collector status. I've turned down $1,600 for mine. Yeah, I like the .358. I have five of them. the two already mentions, two Ruger 77s, and an M98 mauser rebuilt by Kodiak Arms. back after the 1968 gun control act, one could literally no long buy milsurp mausers to convert into sporter. An outfit called Kodiak bought up a big bunch of them, rebarreled them to various calibers and put what I call a butt ugly maple stock on them. I've seen all of three. The .243 I had back in the early 1980s that I gave to the son of a friend for his first deer hunt. Deucedly accurate rifle too once I put a decent trigger in the thing. The other was one in .308 Norma magnum of all things. Another real tackdriver. Never could talk the guy out of the gun.
Then there's my .358. It's the only one that does not shoot well, but it's relatively new to me and I haven't played with it all that much yet. I haven't figured out if it's stock bedding or what, but I'll figure it out.
Of the five rifles, the two lever actions are far more accurate.  My thoughts are they have a 1 in 12" twist rate as designed by Winchester while the Kodiak and the Rugers have 1 in 16" twists. Beats me.
I don't know offhand what the maz allowable pressure is for the .35 Rem. but I do know it's a lot less than the roughly 60K PSI for the .358. You just might want to take that into consideration before doing that conversion. Picking a bolt or hammer out of your teeth just ain't my idea of a good time.
I do wish I could be more positive about it, but the though of that conversion flay makes what little hair I have left stand up straight.
Paul B.
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| Posted: Wed Aug 5th, 2009 06:55 AM |
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Magnumwideglide
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Thanks all. There was some discussion I read where Marlin made the .356, which was the same pressure as the 358. So the receivers are believed to be built the same. There's a guy in the states that does the conversion that retired from Marlin. He did some Rockwell hardness tests on the receivers of Marlin 35 Rem guns and 356 Marlin rifles and there was no difference in the receivers. Either way more research is necessary and that's what you have helped me with. Thanks for the measurements as well.
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