JBM Small Arms Ballistics
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A new topic, Elevation, has been added. It shows the differences in trajectories when zeroing at different atmospheric conditions and how to calculate a trajectory for different atmospheric conditions.


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JBM - Calculations - Maximum Distance

This calculator calculates the maximum distance a bullet could fly. Input variables include muzzle velocity, ballistic coefficient, bullet weight and atmospheric conditions. Output also includes initial angle required for maximum range, terminal angle, and terminal energy. Explanation of terms.

Library -- Select bullet or enter BC and Weight below.
Ballistic Coefficient [Links](0.010-2.0) [0.5]
Bullet Weight (10-15000 grains) [220.0]
Muzzle Velocity (500-4500 ft/sec) [3000.0]
Temperature (-40-140 °F) [59]
Pressure (15-40 inches Hg) [29.92]
Relative Humidity (0-100%) [0]
Altitude (-1000-15000 feet) [0]
Standard Atmosphere at Altitude Corrected Pressure

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JBM Small Arms Ballistics. Last update 15 July 2008, Copyright © 1996-2008 JBM [V]