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Thread: .243" at 1000 yds

  1. #1

    .243" at 1000 yds

    I'm down at Bisley this weekend and will be shooting on the 1000 yd range with my Tikka T3 243".

    I normally zero at 100 yds for stalking and have my zero points for 300, 500 and 600yds for on the range. I homeload and get nice groups at 600 yards with 95gn Sierra Matchkings but this is the longest range I have shot at to date. On new distances I normally find the bullet drop on websites, click this onto the scope and then fine tune at the range. The problem I am now having is that I can't find any trajectories for .243" beyong 600yards despite searching extensively.

    Can anyone give me a starting point or point me to where I may be able to get this info.

    Many thanks

  2. #2
    Try this http://huntingnut.com/index.php?name=PointBlank it may be of use

    John
    A clever man knows his strengths, a wise man knows his weaknesses

  3. #3
    2428 miles
    has shot a T3 out to 800 yard but that is a 30-06. Are you home loading for those ranges? 1000yards would be quite a hot load in that cal I would have thought. Also unless you have a heavy type barrel I think the harmonics will play havoc at that range With that cartridge. IMHO there probably is a reason why there is no data on the drop for that. As the standard out of the box T3 has a realistic usable range of 600 yards. That being said you may be the first. Very good luck with it

  4. #4
    I've read about quite a few people shooting the .243 well past 1000, but usually with 1:8 twist long heavy barrels, 105g bulls and slow burning powders.

    Why would the barrel harmonics be different? the rifle doesn't know what distance you're shooting at?...

  5. #5
    Try

    External Ballistics Calculator

    Cheers + ATVB

    Philip

  6. #6
    ask JCS, think he was loosing off at some vast distance with a 243 just recently, sure it was a 1000.

    but a quick google produced this:
    .243 Win + .243 AI Cartridge Guide

    -232" at 100oyds

    seems perfectly fine for those chaps, dont see why it would be any different to any other calibre

  7. #7
    Quote Originally Posted by PKL View Post
    I've read about quite a few people shooting the .243 well past 1000, but usually with 1:8 twist long heavy barrels, 105g bulls and slow burning powders.

    Why would the barrel harmonics be different? the rifle doesn't know what distance you're shooting at?...
    thats fine i just didn't know if the standard barrel could do it i stand corrected thanks

    "ask JCS, think he was loosing off at some vast distance with a 243 just recently, sure it was a 1000.

    but a quick google produced this:
    .243 Win + .243 AI Cartridge Guide

    -232" at 100oyds

    seems perfectly fine for those chaps, dont see why it would be any different to any other calibre"

    again thanks for adding to my education, i have herd of lots of shooting done at that range with bigger calibers. i didn't know that a T3 was able to do it with that size round that was all. again good luck to the OP

  8. #8
    I had a look at 2 libraries of ballistic data for .243 .95grn bullets and they really vary between -220 and about -400

    I didn't have anything for the sierra match kings though.

  9. #9
    I use:

    http://www.jbmballistics.com/cgi-bin/jbmtraj-5.1.cgi

    They've got the 95grn smk in their list of bullets. Muzzle Velocity of 3000 fps is easily supersonic still at 1000 yards, drop is around 30 MOA from 100 yard zero. I'm slightly sceptical as to whether the bullet will still be stable out of a T3, the twist isn't very fast, still you'll have to try it and see.

  10. #10
    The best method is applying SWAG including Kentucky windage , or jbmballistics , with the round supersonic the range isnt the problem the wind will make things interesting though , have a goodday anyway ,

    ATB

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