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Thread: .243 Bullet Trajectory

  1. #1

    .243 Bullet Trajectory

    Could anyone help me with this one im unable to find any info on this
    A .243 100 grain bullet zeroed at 100 yards what would be the rise at 40 yards and then at 70 yards.. I am only able to find charts for the drop after 100 yards but want to know the heights before the 100 yards
    Thanks

  2. #2
    You could download the Hawke ballistic calculator software for free from the hawk website.
    This is a screen shot of the ballistics for a 100gr .243:

    Attachment 5570
    Below is a link to my website.
    Quad sticks

  3. #3
    Would need to know which 100 grain bullet and the MV.

    However based on Nosler partition (100 grain) @ 2850fps

    40 yards -0.41"
    70 yards +0.01"
    Calculated by Sierra Infinity 6
    Last edited by old_realtree; 21-03-2011 at 13:42.

  4. #4
    Thanks for that guys.
    I have my Rifle course very soon and the accuracy test is with a .243 at 100 yards, 70 then 40 into a 4 inch target im guessing my point of aim would just stay the same for all 3 distances..

  5. #5

  6. #6
    no point in worrying about that to be honest, you just need to put the rounds into the killing zone, a .243 is flat as a pancake out to 100 yds, 1" ish drop to 150, then 3-4" at 200...anything over that is just guess-work, so don't do it.

  7. #7
    Quote Originally Posted by BIGRED View Post
    70 then 40 into a 4 inch target im guessing my point of aim would just stay the same for all 3 distances..
    Just aim dead on and you will be okay!

  8. #8
    Quote Originally Posted by BIGRED View Post
    Could anyone help me with this one im unable to find any info on this
    A .243 100 grain bullet zeroed at 100 yards what would be the rise at 40 yards and then at 70 yards.. I am only able to find charts for the drop after 100 yards but want to know the heights before the 100 yards
    Thanks
    Hi bigred, go to the remmington web site and download for free. You will be able to see it in target mode with zero range and target range with the shot indicated on target. then google external ballistics calculator. Fill it in and it will give you a read out of up clicks and down clicks for set ranges. It will give you some idea of where your POI is,but remember each rifle shoots differently and is only a rough guide to get you on paper.Hope this helps.Its abit of fun using it if nothing else cheers High seat.

  9. #9
    If it is bang on at a 100yds then just shoot straight at the target and dont change a thing. If most of your shots are at under 100yd then stick wit that. If you are shooting more open ground then set it so it is 1" high at a 100yds, in which case it will be bang on c50yds and then again at 180yds and only 1" low at 200 yds - same is true for most centrefire rifles give or take 1/2" here or there. Thus to all intents and purposes place cross hair in middle of kill zone and squeeze the trigger and don't worry about the range. And use the old adage if it looks a long shot it is, and get closer -it is stalking after all.

    Both RWS and Norma have good ballistic tables / calculators on their websites. Also look on the box of ammo - quaite a few, certainly RWS, carrying ballistic information.

    RWS give the following for their 100gn 243 load - range in m, trajectory in cm. MRD is most recomended distance - ie the distance to zero to thus giving the flattest trajectory. Bear in mind height of scope etc will also affect this - have a play on the Norma website as well.

    .243 Bullet Trajectory

    Barrel Length mm600 BC-Value0.3710m50m100m150m200m250m300m



    V[m/s]:910867826785746708671
    E[J]:2691244322172013180916291463



    50m100m150m200m250m300m


    100 m
    -0.90-2.7-9.5-20.6-36.6 MRD193 m
    1.143.3-1.5-10.6-24.6
    Last edited by Heym SR20; 21-03-2011 at 19:07.

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