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.358 umt ?

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  #8  
Unread 08-26-2010, 10:47 AM
Silver Member
 
Join Date: Mar 2009
Posts: 145
Re: .358 umt ?

A 300 grain 338 out of an edge at 2850 makes the same amount of power 5400lbs. Food for thought.

But you can't deny a 35 cal verses a 33 cal makes a bigger hole in and out so should have a better chance of knock down power.
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  •   #9  
    Unread 08-26-2010, 11:12 AM
    Bronze Member
     
    Join Date: Jan 2009
    Location: Virginia
    Posts: 58
    Re: .358 umt ?

    I have done some more looking and I found this on the .358 UMT.

    Loading Data tested in the Barnes Ballistic Laboratory
    .358 Ultra Mag Towsley

    Bullet
    Powder & Charge
    Velocity
    FPS
    Accuracy
    100 yds
    Pressure
    Psi
    Barnes 250-grain X-Bullet
    IMR-7828
    91.0 grains
    2,889
    -
    56,900
    Barnes 250-grain X-Bullet
    H-1000
    98.5 grains
    2,887
    1.75
    56,500
    Barnes 250-grain X-Bullet
    RL-25
    90.0 grains
    2,965
    1.25
    58,900
    Barnes
    250-grain Solid
    H-1000
    98.5 grains
    2,887
    -
    51,200
    Barnes
    250-grain Solid
    IMR-7828
    91 grains
    -
    -
    48,700
    Barnes 225-grain X-Bullet
    RL-25
    98.5 grains
    3,048
    1.25
    60,300
    Barnes 225-grain X-Bullet
    H-1000
    101.1 grains
    2,990
    1.25
    59,400
    Barnes 225-grain X-Bullet
    IMR-7828
    95.0 grains
    3,039
    0.5
    59,100
    Barnes225-
    grain X-Bullet
    Ram Shot Magnum 103.0 grains
    3,045
    N/A
    58,600
    Barnes 225-grain X-Bullet
    MRP
    96.0 grains
    3,058
    1.1
    58,100
    Barnes 225-grain XLC Coated
    IMR-7828
    98.0 grains
    3,100
    .75
    N/A
    Barnes 180 grain X-Bullet
    MRP
    101.5 grains
    3,408
    1.5
    59,000
    Barnes 180 grain X-Bullet
    RL-25
    106.0 Grains
    3,398
    2.0
    58,700
    Barnes 180 grain X-Bullet
    IMR-7828
    102.0
    3,341
    1.75
    59,100
    Nosler 250-grain Partition
    H-1000
    102.0 grains
    3,029
    1.2
    61,400
    Nosler 225 grain Ballistic Tip
    H-1000
    104.0 grains
    3,011
    2.0
    57,300
    Re-published with permission from the Shooting Illustrated March 2005 issue.
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