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300wm rechambering to????

 
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  #8  
Old 11-11-2011, 03:48 PM
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Re: 300wm rechambering to????

Some guys dislike belts more than others. If it were my choice I'd pick belt-less over belted on a new tube, If I needed a new one. I have a 7rm that will out-shoot any of my beltless LR rigs I have set up at this time. Plenty of critters have gone down with a 7rm or 300wm, both belted mags. If your 300WM barrel is worn out, a RUM may be something to consider. If you have money burning a hole in your pocket, it would be even better to go with a RUM. If you are looking to extend your range or "kill things deader" it may not be worth the time/money. Don't get me wrong, I like overkill. I hope to shoot a 100lb deer with a 338LM in December. If you want to have the fastest, just to have the fastest, look at the 30-378WBY. I like hot-rods too, but there's not much a 300RUM is capable of a 300wm would not be. I own and shoot a RUM, the only benefits are telling my 300WM buddies they don't have one, and I don't have to deal with a belt, and that is not a big deal to me. I used to want the biggest and baddest, in the game of LR hunting, someone will ALWAYS have something bigger faster and more powerful than you, that's the name of the game. In all honesty I would not feel handicapped in the least bit going with a RUM. There are many, many more important things than case capacity when it comes to long range hunting. Many guys have posted this before; there is no free lunch. Hot-rod cartridges cost you more than just money.
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  #9  
Old 11-11-2011, 04:15 PM
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Re: 300wm rechambering to????

I'm a fan of keeping it simple, shootable and inexpensive. The choices are .338 WM or RUM, .300 WM or RUM, 7mm RM or STW. All the .338 stuff will increase your recoil substantially as well as the cost per shot. This usually results in less practice and less fun. The 300 RUM can outrun the WM but with a bunch more recoil and a bit more $ per shot. The 7mm RemMag is flatter, easier on the shoulder and wallet and kills quite well. If flatter is what you want, I'd go to the 7mm Rem Mag. The STW takes it further but the ammo is hard to find and burns barrels like crazy. You will appreciate a good brake as well.

Hope this helps.
Dale
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  #10  
Old 11-11-2011, 04:28 PM
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Re: 300wm rechambering to????

Now ur talking over my head! Your saying ud stick with a 30 caliber but use a different brass shape?
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  #11  
Old 11-11-2011, 04:30 PM
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Re: 300wm rechambering to????

Hmm. Haven't thought of a 7mm. What kind of machining is required to rechambing my 300wm to 7mm?
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  #12  
Old 11-11-2011, 05:38 PM
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Re: 300wm rechambering to????

Sorry, I was thinking of a barrel swap. To keep the existing barrel, the only real choice is something in the same caliber - 300 RUM. If the barrel is much less than 26" you would just be wasting powder though. Many factory 300 Win Mag rifles come with 24" barrels which won't let all the powder in a 300 RUM to be used effectively. If you have a 26" barrel - no problem.
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  #13  
Old 11-11-2011, 06:00 PM
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Re: 300wm rechambering to????

I am not at all opposed to getting a new barrel. Would like something heavier fluted and with a good brake as well
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  #14  
Old 11-11-2011, 09:26 PM
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Re: 300wm rechambering to????

Quote:
Originally Posted by spdcrazy View Post
Hmm. Haven't thought of a 7mm. What kind of machining is required to rechambing my 300wm to 7mm?
I would be disinclined to do a setback or rechamber on a factory barrel unless it had really been an exceptional performer.

As such, I'd get a top notch aftermarket barrel with a good brake.

I'd also stick with the 300wm in order to get the most from my existing dies, brass, and supplies. If you don't have good dies or brass, then consider 300WSM or possibly 300 RUM.

Try the Berger 230gr OTM with a .719 BC for long range shooting. I just started with them and they look very promising.

The RUM is more expensive to shoot and more recoil. It sounds as though you would incur very few situations where the extra fps will offset those factors.

-- richard
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