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338 Edge vs 338 Allen Mag???

 
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  #1  
Old 12-12-2009, 09:00 PM
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Location: Texas
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338 Edge vs 338 Allen Mag???

Has anyone ever done a head to head with these two?
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Old 12-12-2009, 09:21 PM
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Re: 338 Edge vs 338 Allen Mag???

Not sure what you mean by head to head. The 338 Edge is basically a 300 rum necked up to 338 @ about 2850fps w/300smk out of 30" tube, H20 capacity about 118gr and 338AM @ about 3300fps w/300smk out of 30" tube, H2O capacity about 172. The 338AM is a big step up from the Edge in performance and cost. I'm sure others here can answer most any question you have on these. You might could try to do a search on Shawn Carlock for the Edge and Kirby Allen for the AM. Both cartridges are outstanding.
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Old 12-12-2009, 09:42 PM
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Re: 338 Edge vs 338 Allen Mag???

I didnt know there was that much difference. Does anyone know the max effective range on a whitetail with either caliber?
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Old 12-12-2009, 10:02 PM
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Re: 338 Edge vs 338 Allen Mag???

Just guessing, having not run number, but just finished watching Shawn Carlock's first CD for the umpthteenth time this afternoon. (Recovering from surgery.

338 Edge - 1600 + yards
338 Allen Mag - Maybe about 23/2400 yards.

I think it comes down to the lowest velocity that the 300 SMK will perform terminally.

The Allan Mag is an orbit or two beyond the Edge.

Neither is a sloutch.
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Old 12-12-2009, 10:09 PM
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Re: 338 Edge vs 338 Allen Mag???

Roy, surgery...hope nothing too serious, get well soon. Let us know when your feeling well enough to shoot.
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  #6  
Old 12-12-2009, 10:24 PM
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Re: 338 Edge vs 338 Allen Mag???

Quote:
Quote:
Originally Posted by R.C.Saul View Post
I didnt know there was that much difference. Does anyone know the max effective range on a whitetail with either caliber?
RC, that's a tough question to answer and basically depends on where you draw the line on a bullet's terminal performance vs the game you are shooting. I use the minimal expansion velocity of the bullet as a limiting factor. With the SMK, there is no such published velocity. From some reports I've read on this site, it seems the 300 SMK will expand below 1800 fps. So the bottom line would be to run the numbers in a balistic calc to get *your* effective range.

JBM - Calculations

Hope that helps,

Mark
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  #7  
Old 12-12-2009, 10:25 PM
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Re: 338 Edge vs 338 Allen Mag???

Quote:
Originally Posted by R.C.Saul View Post
I didnt know there was that much difference. Does anyone know the max effective range on a whitetail with either caliber?
Way farther than most can shoot effectively. It's hard far me to find a spot on the ranch in south Texas to max the edge out and it's 6000ac out in west texas no problem. i just dropped a 70-80# hog in its tracks at a 1000yrd with my edge. I would say edge 1500-1750 338am 1750-2200 just a guess on my part. probably has more to do with what speed you need to get your bullet to expand right
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