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Re-chamber 338 RUM to an Edge--Your thoughts

 
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  #1  
Old 01-01-2008, 08:36 AM
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Re-chamber 338 RUM to an Edge--Your thoughts

Going to rebarrel my 270 AM to a 338 Edge. Just don't have a use for it. Have a Hart barrel ordered for the project. Will finish at 30" including brake.
I hunted this year with a Rem 700 LSS 338 RUM 26" factory barrel with some success. Love this round.
I'm toying with the idea of re-chambering my RUM to an Edge. My reasoning is to try to avoid any posible confusion with the ammo. Both rifles will be going on some of my trips. Although I still plan on using the 225 gr Accubond in the LSS and the 300 gr Sierra in the new gun. Identifying the ammo should not pose a problem. Then there is the remote possibility both rifle may shoot the same load--wishful thinking!!
I'm getting just over 3100 fps with the 225 gr Accubond using RL-22. This is my zero. Another load gives me a tad over 3200 fps w/ RL-25.
Ballistically would I realize any gains to warrant the new chamber in a 26" barrel.
Your thoughts will be appreciated. light bulb
BTW; Any one with an interest in the 30" AM barrel, it has 400 rds through her make an offer.

Last edited by philny1; 01-03-2008 at 09:03 AM.
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  #2  
Old 01-01-2008, 12:27 PM
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i have an edge and love the round. but to rechamber a 338rum, i don't think the gains you will receive will be worth it. first off when you rechamber a barrel, you'll loose a bit of barrel length. most smith's, maybe not all, but most will chop off the barrel threads and on a Remington, that's around .900 in length. so now you're down to a 25" barrel.if you want to shoot the 300 gr bullets, a 30" barrel is much more advantageous. generally speaking the advantage an edge has over the rum is about 100fps "AT BEST". Shawn is working on a new chambering technique that is showing a lot of promise, that could be another option. maybe he'll jump in here, you have a gunsmith and "Shawn's cartridge" type of question, nobody better to answer your question than he.
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Old 01-02-2008, 10:19 AM
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Out of a 26" tube with light bullets rechambering is hardly worth doing from a performance standpoint. I do however agree with you on slipping the wrong ammo in the wrong rifle that would full on suck! Most of the time you can stretch the RUM chamber to an Edge with out chopping the shank. I would give some thought to doing it and if you do you could set up both rifles to accept both loads allowing you to switch ammo if you ever got in am ammo bind especially if you plan on taking both on the same trips. Again from a pure performance standpoint not really worth the effort.
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Old 01-02-2008, 11:11 AM
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I've been thinking of taking my REM 700 338 RUM to the local "hacker" and having him run a 300 RUM reamer in there, if its doable. If I can keep the full 26" length, the brake is already installed, I figure I'll gain a little velocity.

Why do this? For fun, I guess. I will then have the same rifle grow from 338 WIn to 338 RUM to 338 Edge. From there when all of my other endeavors are completed it'll grow to something else.

I'm kind of like gamehauler, "why do I do some of the dumb things that I do"
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Old 01-02-2008, 04:46 PM
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Roy,

You can't just run a 300 RUM reamer in and move the shoulder foreward. The neck, throat and leade must also move as well. If he has a 338 RUM reamer and wants to run it in the extra .094" or so that will work.
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Old 01-02-2008, 05:03 PM
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Thanks Shawn

Another dumb idea down the tubes?

What I know, I really know well. What I don't know really gets me in trouble sometimes but usually only once.
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Old 01-03-2008, 09:43 AM
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Just out of curiosity has anyone ever fired a 338 RUM in a rifle chambered for the Edge.
No such thing as a dumb idea!! Usually at that point in time it all made perfect sense. But today it is a bit less than brilliant.
Still on the fence--like the idea of two rifles chambered for the same cartridge.

Last edited by philny1; 01-04-2008 at 08:46 AM.
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