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300rum ver 7stw

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  #1  
Unread 10-28-2010, 08:08 PM
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300rum ver 7stw

looking for any info on the conetic energy on 300rum ver 7stw at long range 700yd and better for big game hunting
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  •   #2  
    Unread 10-28-2010, 08:38 PM
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    Re: 300rum ver 7stw

    What bullet weights and what velocities are you wanting to compare?
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    Unread 10-28-2010, 09:41 PM
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    Re: 300rum ver 7stw

    300 rum hands down. Bigger hole always wins simple math. Big holes are harder to plug. Think TITANIC
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      #4  
    Unread 10-28-2010, 10:43 PM
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    Re: 300rum ver 7stw

    I load my STW with 180 Bergers at 3050 fps, and my 300 ultra was 210 Berger at 3025. I forget the exact numbers but I think I remember the Stw had more energy at 1000. After that comparison I decided my 300 was useless and turned it into an Edge.
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      #5  
    Unread 10-28-2010, 11:41 PM
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    Re: 300rum ver 7stw

    Quote:
    Originally Posted by texan79 View Post
    What bullet weights and what velocities are you wanting to compare?
    i have a 300rum and 300wm shotting burger vld168gr pushing 3250 fps, i want to build a 7 mm stw, bullets berger vld 140 or 160 looking fps about the same dont know yet havent got that for yet
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    Unread 10-29-2010, 01:07 AM
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    Re: 300rum ver 7stw

    I have five 7mm stw's and two 300 ultramags. I can give you any velocities you want out of my guns. I don't know about kinetic energy but if you want to know which kills the best it is the larger caliber shooting the heavy bullets. Kinetic energy and killability are two different things. Bullets hitting animals are not done in a perfect world physics lab with an equation of mass times velocity. Way more complicated than that. Trust me, I'm not a doctor.
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      #7  
    Unread 10-29-2010, 10:56 AM
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    Re: 300rum ver 7stw

    For downrange energy you gotta go with the heavy for cal bullets.
    Your 168 30 cal load at 3250 has only 1067lbs at 1000 yards
    A 7stw with a 168 at 3100fps has 1334lbs at 1000
    If you can get 3250fps out of a stw with 168s it would have 1500lbs at 1000 yards
    However if you shot a 210 vld out of a 300rum at 3100fps you'd get 1664lbs at 1000 yards.
    If you are concerned about energy at long range, forget the 140s in 7mm or the 168s in 30 cal. You gotta be thinking about 168-180gr in 7mm and 190-210gr in 30 cal.
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