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Maximum range and impact energy

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  • 08-02-2008 4:12am
    #1
    Closed Accounts Posts: 8,570 ✭✭✭


    The other thread about firing rifles into the air has meandered into the subject of maximum ranges and some posters have asked about the terminal ballistics involved, so I figured I'd make a new thread on the subject.

    I'll use mostly the same examples as previously, and add data on impact energy and maximum altitude at apogee.
    With the exception of the impact energy, I'll state all data in Imperial units, as I'm pretty sure that's what most shooters 'think' in. I'll state the impact energy in Joules for ease of comparison with the airsoft '1 Joule' limit.

    In the interests of simplicity, atmospheric parameters are set at 'Standard' for North America (the source of the software) at sea level: Barometric Pressure - 29.53psi, Temperature - 59F, Humidity - 78%.
    Altitude is set as sea level, and wind (in all directions) is set at zero.
    Changes to any or all of these parameters will effect the results to a greater or lesser degree, but I'll leave them all the same for all cartridges for this exercise.

    As a point of reference, the 40 Grain Winchester Rimfire .22 LR listed makes 145 Ft/Lbs (197 Joules) of energy at the muzzle, 108 Ft/Lbs (146 Joules) at 50 Yards, and 88 Ft/Lbs (119 Joules) at 100 yards.
    The .22 airgun makes 28.4
    Ft/Lbs (38.5 Joules) of energy at the muzzle, and 17.1 Ft/Lbs (23.2 Joules) at 40 yards.

    The new stuff is in blue.


    Here we go:

    Airgun
    .22 airgun pellet, 20 gr. @ 800fps:
    The maximum range of your Custom .22 airgun pellet 20 gr. at 800 Feet per Second is:
    374.5 yards at an elevation angle of 26 degrees.

    Maximum altitude: 180 Feet @ 256 Yards downrange
    Velocity at
    point of impact: 110 Ft/Sec
    Energy at point of impact: 0.5 Ft/Lbs (0.68 Joules)
    Flight time: 6.5 seconds



    Rimfire
    Winchester Rimfire .22 LR, 40 gr. Super X PowerPoint LHP
    The maximum range of your Winchester Rimfire .22 LR, 40 gr. Super X PowerPoint LHP at 1280 Feet per Second is:
    1635.5 yards at an elevation angle of 29 degrees.

    Maximum altitude: 842 Feet @ 1075 Yards downrange
    Velocity at
    point of impact: 257 Ft/Sec
    Energy at point of impact: 5.9 Ft/Lbs (8 Joules)
    Flight time: 14.4 seconds

    Winchester Rimfire .22 WM, 45 gr. Super X Dyna Point
    The maximum range of your Winchester Rimfire .22 WM, 45 gr. Super X Dyna Point at 1550 Feet per Second is:
    1782.2 yards at an elevation angle of 29 degrees.

    Maximum altitude: 952 Feet @ 1180 Yards downrange
    Velocity at
    point of impact: 266 Ft/Sec
    Energy at point of impact: 7.1 Ft/Lbs (9.6 Joules)
    Flight time: 15.0 seconds



    Centrefire
    Remington .172 dia. 17 Rem, 20 gr. AccuTip
    The maximum range of your Remington .172 dia. 17 Rem, 20 gr. AccuTip at 4250 Feet per Second is:
    3030.7 yards at an elevation angle of 26 degrees.
    Maximum altitude: 1750 Feet @ 2040 Yards downrange
    Velocity at
    point of impact: 327 Ft/Sec
    Energy at point of impact: 4.8 Ft/Lbs (6.50 Joules)
    Flight time: 20.1 seconds


    Remington .224 dia. 223 Rem, 50 gr. AccuTip

    The maximum range of your Remington .224 dia. 223 Rem, 50 gr. AccuTip at 3300 Feet per Second is:
    3455.1 yards at an elevation angle of 28 degrees.

    Maximum altitude: 2016 Feet @ 2275 Yards downrange
    Velocity at
    point of impact: 367 Ft/Sec
    Energy at point of impact: 15.0 Ft/Lbs (20 Joules)
    Flight time: 21.6 seconds

    Remington .224 dia. 220 Swift, 50 gr. V-Max
    The maximum range of your Remington .224 dia. 220 Swift, 50 gr. V-Max at 3780 Feet per Second is:
    3617.5 yards at an elevation angle of 27 degrees.

    Maximum altitude: 2165 Feet @ 2400 Yards downrange
    Velocity at
    point of impact: 370 Ft/Sec
    Energy at point of impact: 15.3 Ft/Lbs (20.7 Joules)
    Flight time: 22.1 seconds

    Remington .243 dia. 243 Win, 95 gr. AccuTip BT
    The maximum range of your Remington .243 dia. 243 Win, 95 gr. AccuTip BT at 3120 Feet per Second is:
    4556.3 yards at an elevation angle of 30 degrees.

    Maximum altitude: 2748 Feet @ 2940 Yards downrange
    Velocity at
    point of impact: 442 Ft/Sec
    Energy at point of impact: 41.2 Ft/Lbs (55.9 Joules)
    Flight time: 24.3 seconds

    Remington .308 dia. 308 Win, 165 gr. AccuTip BT
    The maximum range of your Remington .308 dia. 308 Win, 165 gr. AccuTip BT at 2700 Feet per Second is:
    5132.8 yards at an elevation angle of 31 degrees.

    Maximum altitude: 3260 Feet @ 3090 Yards downrange
    Velocity at
    point of impact: 492 Ft/Sec
    Energy at point of impact: 88.7 Ft/Lbs (120.2 Joules)
    Flight time: 26.4 seconds

    BlackHills .338 dia., 338 Lapua, 300 gr. HPBT Match
    The maximum range of your BlackHills .338 dia., 338 Lapua, 300 gr. HPBT Match at 2800 Feet per Second is:
    7349.2 yards at an elevation angle of 32 degrees.

    Maximum altitude: 4686 Feet @ 4600 Yards downrange
    Velocity at
    point of impact: 617 Ft/Sec
    Energy at point of impact: 253.7 Ft/Lbs (344 Joules)
    Flight time: 32.4 seconds

    (Note- the software goes all wobbly when the range is set above 8000 yards, so I'll give the data for that. At 9000 yards it'll have reached a higher altitude and had a longer flight time, and will be going slower and have less energy at impact. It's still pretty impressive.)
    Barnes .510 dia. (50 BMG) 750 gr. LRS-Solid

    The maximum range of your Barnes .510 dia. (50 BMG) 750 gr. LRS-Solid at 2700 Feet per Second is:
    9040.4 yards at an elevation angle of 34 degrees.

    (at 8000 yards)
    Maximum altitude: 3660 Feet @ 4900 Yards downrange
    Velocity at
    point of impact: 714 Ft/Sec
    Energy at point of impact: 847.7 Ft/Lbs (1150 Joules)
    Flight time: 28.6 seconds



    Right, I'm tired and I'm off to bed!
    ;)


Comments

  • Closed Accounts Posts: 801 ✭✭✭jaycee


    Excellent ..Well done that Kid ..:D


    In brief ...

    DON'T SHOOT A RIFLE WHILE IT IS POINTING AT THE SKY.!!


  • Registered Users Posts: 39,355 ✭✭✭✭Mellor


    What I found most interesting what the the .308 after 3 miles, had about the same evergy as a .22lr at about 100 yards


  • Registered Users Posts: 2,475 ✭✭✭bitemybanger


    Rovi, you are a ledgend:cool:
    Now the key is to get good shot placment at theese ranges:eek::D


  • Closed Accounts Posts: 169 ✭✭quackquackBOOM


    would it be possible to shoot accurate over a mile ,apart from hitting the ground or a mountain;)
    i know you have to take in to consideration
    temperature
    humidity
    wind
    rain
    curvature of the earth
    bullet weight
    bullet drop
    height above sea level
    and your heart beat and the list goes on
    but seriously with bullets with ranges like these do the just basically go where mother nature takes them after the 1-2 mile "accurate" shot.


  • Registered Users Posts: 2,475 ✭✭✭bitemybanger


    It can be done with a 50 cal and about 5 years of military sniper traning,
    Any of you guys see Future weapons on discovery tho other day, new brittish semi-auto 50 cal sniper that claims to be as accurate as a conventional bolt action. great show.


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  • Registered Users Posts: 1,041 ✭✭✭José Alaninho


    It can be done with a 50 cal and about 5 years of military sniper traning,
    Any of you guys see Future weapons on discovery tho other day, new brittish semi-auto 50 cal sniper that claims to be as accurate as a conventional bolt action. great show.

    Barrett M107...? Or a new one?

    On accuracy, longest ever recorded sniper kill was with a McMillan Tac50 bolt action at c. 2100 yards. Three rounds, first missed, second took off the guys backpack, third cut him in half. They claimed that the high altitude of the AO increased the range of the rifle by 700 yards.


  • Registered Users Posts: 804 ✭✭✭Sikamick


    would it be possible to shoot accurate over a mile ,apart from hitting the ground or a mountain;)

    Tubbs one mile shot, he shoots a 1000 yds of his elbow/prone in competitions, on the cd he makes a number shots prone at one mile extremely accurately, I think the bull is 20 inch with a 10 inch V bull. I will have to look a the cd to find out what cal but it is not a 50 cal.

    Rovi would you know what caliber Tubbs uses in the one Mile shot.


  • Registered Users Posts: 13,034 ✭✭✭✭It wasn't me!


    If it's the one I'm thinking of, it was 2430 yards, in Afghanistan.


  • Registered Users Posts: 1,230 ✭✭✭chem


    On accuracy, longest ever recorded sniper kill was with a McMillan Tac50 bolt action at c. 2100 yards. Three rounds, first missed, second took off the guys backpack, third cut him in half. They claimed that the high altitude of the AO increased the range of the rifle by 700 yards.

    Id say just before this poor bloke exploded, he was thinking "someone`s out to get me":D


  • Closed Accounts Posts: 624 ✭✭✭thehair


    thank you rovi for info.22 rinfire :)


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  • Closed Accounts Posts: 169 ✭✭quackquackBOOM


    so basically what being said is that shooting bunny wabbits at 100 to 150 yards and getting lucky on the 5th shot isnt a great achievement:D


  • Closed Accounts Posts: 169 ✭✭quackquackBOOM


    but after those distances is it mother nature which takes control


  • Closed Accounts Posts: 6,096 ✭✭✭bunny shooter


    so basically what being said is that shooting bunny wabbits at 100 to 150 yards and getting lucky on the 5th shot isnt a great achievement:D

    for the wabbit or the whooter :p


  • Closed Accounts Posts: 169 ✭✭quackquackBOOM


    for the wabbit and the wooter
    stress for both parties involved but i imaging the wabbit does feel sorry for the wooter and jump in front of the final shot :rolleyes:


  • Closed Accounts Posts: 6,096 ✭✭✭bunny shooter


    for the wabbit and the wooter
    stress for both parties involved but i imaging the wabbit does feel sorry for the wooter and jump in front of the final shot :rolleyes:

    wabbitcide ? :D


  • Registered Users Posts: 1,041 ✭✭✭José Alaninho


    If it's the one I'm thinking of, it was 2430 yards, in Afghanistan.

    That's the one!


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