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270wsm vs300wsm vs 7mm wsm

 
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  #8  
Old 09-20-2011, 09:14 PM
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Re: 270wsm vs300wsm vs 7mm wsm

Ok. I thought the 7mm had the BC advantage?
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  #9  
Old 09-20-2011, 10:14 PM
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Re: 270wsm vs300wsm vs 7mm wsm

More info on .700 BC 270?
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  #10  
Old 09-21-2011, 10:52 AM
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Re: 270wsm vs300wsm vs 7mm wsm

Go to matrix bullets.
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  #11  
Old 09-22-2011, 09:43 AM
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Re: 270wsm vs300wsm vs 7mm wsm

There are fast bbls and slow bbls. Long story made short. I've got a 26"Brux cut rifled 9"twist bbl in 7mm wsm. 65.5grs of Re#22 behind a 162gr Amax produces 3200+ 70grs of Re#25 produces nearly 3300 FPS. Multiple loading's of the W-W brass no enlarged primer pockets. After I determined proper seating depth of the A-max I'm getting great accuracy. I shoot in NV desert early morning in calm weather I can bang the steel as far as any one else. But soon as the NV desert winds whips up its time to pack up . No bullet is a match for those crazy winds. Even so thumbs up for the 7mm WSM.
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  #12  
Old 09-22-2011, 11:23 AM
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Re: 270wsm vs300wsm vs 7mm wsm

The Matrix bullets are showing up strong in the 270 cals!! Between the 270 WSM and the 7mm WSM there is little between them, if you stand on one it will out run the other. I just start to get pressure signs at 3120 with Retumbo and 165's but at 3053 ES is almost nil so that's where it runs and I have good brass choices and if I need to use some factory loads, God help me, it widely available. I really biased though!!!
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  #13  
Old 09-22-2011, 11:49 AM
MHO MHO is offline
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Re: 270wsm vs300wsm vs 7mm wsm

Go with the 300 wsm.
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  #14  
Old 09-22-2011, 02:57 PM
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Re: 270wsm vs300wsm vs 7mm wsm

Big Green what twist is required for those heavy .277 bullets ?
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