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Is the .338 Whisper a 500yd elk round?

 
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  #1  
Old 11-07-2002, 06:22 PM
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Location: Canyon Ferry, MT
Posts: 244
Is the .338 Whisper a 500yd elk round?

What do you think? Check out these ballistics on a 300gr SMK at 1100 fps:

Range Velocity Energy Momentum Drop
(yards) (ft/sec) (ft-lbs) (lbs-sec) (moa)
0 1101.4 808.0 1.47 ---
100 1062.7 752.3 1.42 -0.0
200 1029.0 705.4 1.37 -14.0
300 999.5 665.4 1.33 -29.1
400 973.3 631.1 1.30 -44.9
500 950.2 601.4 1.27 -61.5

Whaddya think??

MM
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  #2  
Old 11-08-2002, 02:48 AM
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Join Date: Dec 2001
Location: Mukilteo, WA
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Re: Is the .338 Whisper a 500yd elk round?

No, you smartass! [img]images/icons/grin.gif[/img]

Your tables don't take the fact that these bullets launched at that velocity will be tumbling end over end (which doesn't help the BC very much [img]images/icons/grin.gif[/img] )

I'm thinking a 30-30 would be a better choice for long range hunting.... [img]images/icons/grin.gif[/img] [img]images/icons/grin.gif[/img] [img]images/icons/grin.gif[/img]

Yes, I'm just shootin' you ****! It's fun!
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  #3  
Old 11-08-2002, 07:34 AM
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Join Date: Dec 2001
Location: Canyon Ferry, MT
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Re: Is the .338 Whisper a 500yd elk round?

Damn Jon, you saw right through that [img]images/icons/grin.gif[/img] .

Here's what stimulated my post:

Boyd Heaton related on another post that his fellow long rangers have killed an elk at 2890 yards, with a .338 300gr MK started at 3350 fps.

Out of curiosity I crunched the numbers with JBM. (had to take the 2000 yards retained velocity, reenter that as MV, and then go to the 890 yd velocity). Anyhow, playing with different elevations and such, it appeared to me that impact velocity at 2890 yards would be betwee 950-1000 fps(assuming bullet stability).

So , being the smartass you mentioned [img]images/icons/grin.gif[/img] , I got to thinking about different .338 cartridges, eventually arriving at the .338 Whisper. (which I believe is twisted 1-8).

Boyd says at 2890 yards, the .338 300grMK(started at 3350fps) "took out both shoulders, leaving an exit wound the size of a volleyball".

I'm trying to reconcile all this information in my admittedly thick head [img]images/icons/grin.gif[/img] .

It led me to the above post. Half serious, with distinct and deliberate smartass undertones [img]images/icons/grin.gif[/img]

But seriously hoping for feedback by the LR practitioners around here.

MM

[ 11-08-2002: Message edited by: MontanaMarine ]
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  #4  
Old 11-08-2002, 09:09 AM
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Join Date: May 2001
Posts: 2,369
Re: Is the .338 Whisper a 500yd elk round?

MM

What case is the 338 Whisper on?

I'm thinking about having a 308 Win opened up to 338 and try 300 grain SMKs. I have tons of 308 brass and more showing up every time I practice, thought I'd build a fun gun in 338 and get a suppressor for it.
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  #5  
Old 11-08-2002, 09:56 AM
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Join Date: Dec 2001
Location: Canyon Ferry, MT
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Re: Is the .338 Whisper a 500yd elk round?

Dave, the 338Whisper I have seen is a necked up 7mmBR. SSK Industries makes it.

Here's a pic from their website. Bottom left photo, cartridge on the left.....doesnt that 300gr look enormous on that case?!

MM
http://www.sskindustries.com/cart_pics.html
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  #6  
Old 11-08-2002, 10:00 AM
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Location: Canyon Ferry, MT
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Re: Is the .338 Whisper a 500yd elk round?

Dave,

SSK Ind. also makes a .338 #2 Whisper. It is a .221 fireball case opened all the way up.

MM
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  #7  
Old 11-08-2002, 10:03 AM
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Location: Canyon Ferry, MT
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Re: Is the .338 Whisper a 500yd elk round?

http://www.sskindustries.com/tactical.html

Here is some more stuff SSK does, suppressed and so forth.

MM
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