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Thread: Advice on Ballistics chart

  1. #1

    Advice on Ballistics chart

    Anyone recommend a good website to create a ballistics chart for:

    Remington 783 30-06
    Federal Soft Point 150g

    Any and all advice gratefully received on this.

    Do I need any other information?

    Velocity (fps) 2910 (Muzzle) 2620, 2340, 2080, 1840 (at 100/200/300/400yards)
    Energy (ft-lbs) 2820 (Muzzle), 2280, 1825, 1440, 1125 (at 100/200/300/400 yards)

    "Height of bullet trajectory in inches above or below line of sight if zeroed at 100yds. Sights 1.5 inches above bore line" - I have no idea what this means!

    Average range -3.6 at 200yds, -13.6 at 300yds

  2. #2
    Try - ShootersCalculator.com

  3. #3
    Quote Originally Posted by pinkfoot1 View Post
    Try - ShootersCalculator.com
    He'll need the Ballistic Coefficient which is .273 @ 3000 ft elevation, based on the data provided. Hornady has a nice calculator as well but with all of them you need a BC.~Muir

  4. #4
    Thanks Pinkfoot1; on that website now - looks technical! ;o)

    Muir, thanks for response; how do you calculate BC?

    (VERY new to this!)

  5. #5
    Quote Originally Posted by melgalvis View Post
    Height of bullet trajectory in inches above or below line of sight if zeroed at 100yds. Sights 1.5 inches above bore line" - I have no idea what this means!
    Basically means that the bore of the rifle is 1 1/2" below the axis of the scope. So the bullet will rise 1 1/2" to intersect an imaginary straight line passing through the axis of the scope.....exactly where that intersect will be depends on the trajectory of the bullet

    Here's a good article

    http://www.chuckhawks.com/mpbr_hunting.htm

  6. #6
    Quote Originally Posted by melgalvis View Post
    Anyone recommend a good website to create a ballistics chart for:

    Remington 783 30-06
    Federal Soft Point 150g

    Any and all advice gratefully received on this.

    Do I need any other information?

    Velocity (fps) 2910 (Muzzle) 2620, 2340, 2080, 1840 (at 100/200/300/400yards)
    Energy (ft-lbs) 2820 (Muzzle), 2280, 1825, 1440, 1125 (at 100/200/300/400 yards)

    "Height of bullet trajectory in inches above or below line of sight if zeroed at 100yds. Sights 1.5 inches above bore line" - I have no idea what this means!

    Average range -3.6 at 200yds, -13.6 at 300yds
    All this detail is direct from the Federal website where it's explained very well. It's also presented with charts.

    What else are you looking for?

    Federal Premium Ammunition - Rifle
    If I'm going to be accused of it then it's just as well I did it.

  7. #7
    Regarding BC - if you look it up in Wikipedia you will find lots of technical stuff, ignore it and go lower down the article where a simpler description is given for your understanding. Most bullet manufacturers publish date on BC on-line.

  8. #8
    Give this a try http://www.jbmballistics.com/cgi-bin/jbmtraj_simp-5.1, entre your info and you should be good to go , jiggle your speed to get your elevations to correspond .


    Cheers

  9. #9
    Quote Originally Posted by melgalvis View Post
    Thanks Pinkfoot1; on that website now - looks technical! ;o)

    Muir, thanks for response; how do you calculate BC?

    (VERY new to this!)
    A bit of mathematics.
    But simpler to have a ballistic program that does of for you. You gave the MV and 100 yds velocity: I plugged them into my program.

    You know, learning this piece meal off of the internet sucks. Get out and buy a decent book on the subject and be happy. And truly, what are you trying to find out?? The data you have on hand is more than most people set afield with and just an estimate at that.

    You need to do some shooting.~Muir

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