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.338 SMK 300gr. length?

 
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  #8  
Old 05-20-2005, 11:02 AM
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Join Date: Jan 2005
Location: BUSH,ALASKA
Posts: 398
Re: .338 SMK 300gr. length?

[ QUOTE ]
3sixbits,

I just bought a Rem 700 LSS LH for my new elk gun when they are too far out for my 300 win mag to handle. Right now it is a 300 ultra,(anyone want a brand new .30 barrel?) but I'm going to turn it into either a 338 ultra improved, or a 338-300 ultra improved and throat it for the 225 Nosler Accubond. If I go the 338-300 ultra mag route, I would definetly need a longer magazine box so the Accubonds could be seated out farther. Tell me more about this Wyatt box. WOuld it fit on a Rem 700? Does it come with a follower? How much coin?

With the 338 Ultra improved, I wouldn't need a special box, but the version you are doing would have a little more horsepower. I can't decide! [img]/ubbthreads/images/graemlins/confused.gif[/img]
You wouldn't be renting out your reamer would you?! [img]/ubbthreads/images/graemlins/smirk.gif[/img]

[/ QUOTE ] Wyatt's I think that the questions you ask are the same questions I've ask myself. I went with the 35 deg shoulder for one reason only and that to stop the growth of the brass in length. Trim once and never again! I do think that with a three groove barrel and the increased capacity with the 35deg shoulder more velocity would be possible over the .338 EDGE, but I wonder if that is as much of a benefit as it would seem on the surface? I do know that the REMINGTON action has to be modified to take that long of a box, just like the BAT will have to be modified. The max length the stock box allows is around 3.600" the Wyatt's box allows for a little over 4/10" more length. I don't think you would need that for the 225 grain Accubonds bullets., but I don't know. The neck on this necked-up RUM case looks none to long as it is so just how much you gain in the chase of the eroding throat by seating long it is just a guess with such a short neck. I would rent after I do a few barrels and dies first on the reamers., but that won't be anytime soon. The link I've sent is for the mag box and you will want to e-mail your questions to him. Best of luck with your project, I think it will make for a good long range hunting ctg. I would buy the best barrel blank you can afford for the project and do the Greenhill formula to figure the twist you need for that 225 grain bullet. [img]/ubbthreads/images/graemlins/wink.gif[/img]
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  #9  
Old 05-20-2005, 01:57 PM
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Join Date: Jun 2001
Location: Palmer, Alaska
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Re: .338 SMK 300gr. length?

[ QUOTE ]
Tell me more about this Wyatt box. WOuld it fit on a Rem 700? Does it come with a follower? How much coin?


[/ QUOTE ]

It will require machining the rear of the mag well all the way back to the rear of the middle gaurd screw hole when using Wyatt's real long box. Ejection port lengthened and bolt stop shortened.
It comes with a follower.
The 4" OAL cabable with the new box is great for the big 338's.
They run around $35 if I remember correctly.
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