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6.5x55 Swedish max pressure

 
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  #1  
Old 02-27-2008, 02:53 PM
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6.5x55 Swedish max pressure

I have a 6.5x55 swedish mauser that was rebarreled by Kimber of America. I picked the gun up pretty cheap and am just experimenting with it. What is a safe maximum pressure to load in an original Mauser 96 action?
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Old 02-29-2008, 12:09 AM
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7; you probably won't get many takers on this one, but P.O. Ackley mentions 43,000 psi for the Swede, but wasn't sure where it came from. I wouldn't chamber one for a .308 Win or it's derivatives that go up to 55,000, but there are some golden oldies for .473-.479 bolt faces including the original 6.5 x 55 that are great cartridges and perform well at around 45,000. I don't think I would push one to 50,000. I've seen the small ring Spanish Mausers chambered for .308 Win, but I wouldn't shoot one or recommend one.

Just my opinion, Tom

On edit: watch out for the loading manual loads for the 6.5 x 55. The Nosler book for one says that the listed loads are for modern guns and to "have a military rifle checked by a competent gunsmith" ? What's a 'smith going to do to determine max safe pressure? Try to blow it up? A couple of loading books list psi or cup. I'd hang up at around 45,000. The Swedes are fine actions, and you can check regularly for bolt setback if you think you're pushing it.
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Last edited by specweldtom; 02-29-2008 at 12:24 AM.
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Old 02-29-2008, 01:29 PM
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Thanks Tom, I appreciate the information. I plan to leave it in 6.5x55 and see how it shoots. I have inlet it into a new walnut stock and am bedding it now. The pillars are done and I hope to bed the top end tonight. No illusions that this barrel from Kimber will shoot one hole but hopefully it'll shoot around MOA. If not, I may look at re-barreling into something else.

Thanks again, that's what I was looking for.

Brian
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Old 03-02-2008, 08:18 PM
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Brian, you never can tell, I had an E.R. Shaw barrel in .270 Win on a military Mauser that was a tack driver. JE Custom got it from me, (I can't stand prosperity), and immediately won a 600 yd Any-Any match with it.

I'll bet that on average, the Kimber barrel is better than the Shaw and with the bedding and pillars, you've got a shot. The 6.5 x 55 has a reputation for being a naturally accurate cartridge. I think you may be pleasantly surprised.

Good luck, Tom
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Old 03-02-2008, 10:08 PM
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Thanks again. I got the top end bedded, scope mounted, and started finishing the stock tonight. Tomorrow I'll put a coat of finish on before heading into the lion's den (Chicago) tomorrow for a week of meetings:eek:.

It'll drive me crazy knowing the rifle is patiently waiting for me to finish it while I'm stuck in a hotel room! It'll be a couple weeks now before I get it out. I'll keep you posted...........
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Old 03-03-2008, 08:12 PM
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I believe the BRASS is supposed to be spec'd at 55000 psi max but your rifle supposedly is good for 45000psi.
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Old 03-03-2008, 08:32 PM
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Just saw you said 96, I was thinking 94. The 94 was 45000psi , there are lots of 96's out there that regularly shot long range competition in 308 running continously well over 55000 psi. I have one that shot a whack of those loads but certainly not by me. I don't plan to ever shoot it after looking at the gas system.

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