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Reloading Berger Bullets

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latter testing.

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  #1  
Unread 07-26-2014, 07:37 AM
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latter testing.

I have read a bunch of articles on latter testing and wanted to try it on a new rifle. I still need a little bit more help understanding it, so if yall could be so kind to help walk me through it. So here it goes.
Rifle: winchester heavy varmint 243
Bullet: 87gr V-MAX
Powder: H4895
100 yards.
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latter testing.-20140726_071552.jpg  
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  •   #2  
    Unread 07-26-2014, 10:56 AM
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    Re: latter testing.

    I have a tc contender 375 jdj 23". I made up single round per powder charge 45.0 up to 49.5 ( not exactly sure don't have logs with me but) with 1/2 gr increments. this was for pressure testing my powder weight's, bullet, primer combo. I also noted where each shot landed. I think it was powder charges 48.0 and 48.5 that stacked on top of each other while the others were roaming around the target. I then loaded 48.0 gr loads and went to zero. showed promise for fire forming new cases.
    not sure how others do it but this method worked for me with the 375 jdj.
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      #3  
    Unread 07-26-2014, 11:18 AM
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    Re: latter testing.

    Here's the 2nd. Round of the test.( Bottom three targets.) I thought that the good load was between 31.4 and 34..but I think I'm wrong..but on the 2nd run 33 and 33.5 are promising .
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      #4  
    Unread 07-26-2014, 11:54 AM
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    Re: latter testing.

    I'd say that top left corner's about got it. The vertical is almost perfectly even, but the left and right could have been human error.
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    Quote:
    Originally Posted by WildRose View Post
    The 284 is to the STW what a tricycle is to a Ninja.
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    Unread 07-26-2014, 12:08 PM
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    Re: latter testing.

    Quote:
    Originally Posted by MudRunner2005 View Post
    I'd say that top left corner's about got it. The vertical is almost perfectly even, but the left and right could have been human error.
    So you thank it could be in the middle of those three charges? What about the 33 and 33.5?
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    Unread 07-26-2014, 12:10 PM
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    Re: latter testing.

    if it was human error, id say you have something there.
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      #7  
    Unread 07-26-2014, 12:13 PM
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    Re: latter testing.

    Whatever that top left corner is (2nd picture), I'd load up 3 more to see if the left and right were just human error. If it shoots that flat again, but left and right seem to be out of whack, adjust your bullet seating depth, or bed your lug and action on your rifle. If it's already been properly bedded, then tinker with seating depth.
    __________________
    "I'm just a peckerwood who lives in the hills with too many guns..." - Bob Lee Swagger

    "Give me a minute...I'm good. Give me an hour...I'm great. Give me 6 months...And I'm unbeatable." - Col. Hannibal Smith

    Quote:
    Originally Posted by WildRose View Post
    The 284 is to the STW what a tricycle is to a Ninja.
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