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The .275 Weatherby for LRH?

 
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  #8  
Old 05-16-2003, 06:50 AM
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Re: The .275 Weatherby for LRH?

Dantec

I agree with the 264 or 6.5 diameter bullet.

It is a fine killer and would be the smallest diameter I would go after deer sized animals with-- especially the 140gr to 155 gr weights.
I like the 6.5/300 Weatherby for shots in excess of 1000 yards. I started with a 264 Mag and liked it too.

Big Sky
As for the 25 cal, the bullet selection is really not ideal but, for shots in the 600 to 700 yard range would be fine. I wouldn't push it to 1000 yards though.

DC
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  #9  
Old 05-16-2003, 07:50 AM
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Re: The .275 Weatherby for LRH?

couple guys here in Va have been shooting a 270 Wthby necked down to 6.5 for about 4 years.. Called 6.5 Sandy and doing very well with it.

BH
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  #10  
Old 05-16-2003, 07:50 AM
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Re: The .275 Weatherby for LRH?

couple guys here in Va have been shooting a 270 Wthby necked down to 6.5 for about 4 years.. Called 6.5 Sandy and doing very well with it.

BH
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  #11  
Old 05-16-2003, 09:25 AM
 
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Re: The .275 Weatherby for LRH?



[ 07-11-2003: Message edited by: S1 ]
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  #12  
Old 05-16-2003, 01:18 PM
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Re: The .275 Weatherby for LRH?

Big Sky

I've just ran the Ballistics for the Game Kings in the 117 and 120 Gr plus the Match king and the prohunter.

The Matchking had a high BC of .485 and would give a 1000 yd energy of 715 FPs at 3400 FPS

The rest I mentioned all gave substantial less foot pounds of energy and were from 424 to 599 fps left at 1000 yards. Really not to good.

Maybe some would use the smaller bullet diameters but, I will hold to what I said before.
For yardages that I think "you" mentioned that you want to make (700 to 800 yds), the 257 Weatherby would be fine especially if you run the bullets mentioned at 3400 FPS.

For shots of 1000 yds and beyond, I would prefer the 6.5 as the lightest or smallest diameter and the 7mm or 30 cals with heavy bullets would certainly be a bit better then the even the 6.5 as per remaining energy and velocity.
It's hard to beat the larger higher BC bullets in the 7mm and the 30 cal.

For what you want, the 257 will work fine if you keep it at 700 or 800 yds for most of your deer killing. Maybe further with excellent bullet placement which is the deciding factor on ANY bullet.

DC

[ 05-16-2003: Message edited by: Darryl Cassel ]
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  #13  
Old 05-16-2003, 06:17 PM
 
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Re: The .275 Weatherby for LRH?



[ 07-11-2003: Message edited by: S1 ]
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  #14  
Old 05-18-2003, 10:55 PM
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Re: The .275 Weatherby for LRH?

Big Sky

I do think S1 is the one on the wackey weed "if" my BC is correct from Sierra.

The 120 Gr 257 HPBT from Sierra has a listed BC of only .370.

At 5000 feet elevation and with a speed of 3400 FPS it has a remaining energy at 1000 yards of only 597 FP and a remaining speed of 1515 FPS. [img]images/icons/grin.gif[/img]

Check the BC in the Sierra manual. The 117 gr shows a bit higher BC then the 120gr has?

Could there be a misprint in the manual?
Even the Oehler program shows the Sierra 120 gr at the low BC.

Later
DC [img]images/icons/wink.gif[/img]
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