.40isthenew.45
Member
- Joined
- Feb 16, 2011
- Messages
- 13
What is the ballistic trajectory of a 40 cal bullet fired from a 4-5" barrel? I have no idea and I would guess that the shooter had little knowledge of ballistics but I imagine he would need to hold over quite a bit.
Using Federals Ballistics calculator and a couple of "best case" assumptions:
about 8" of holdover and still retained 65% of initial energy.
Code:
Ballistics Calculator
Load Number: AE40R2 Zero Range: 7 yd
Caliber: 40 S&W Temperature: 59 °F
Bullet Style: Full Metal Jacket Wind Speed: 10 mph
Bullet Weight: 155 gr Altitude: 0 feet
Ballistic Coeffcient: 0.13 Max Range: 150 yd
Muzzle Velocity: 1160 fps Test Barrel: 4 in
Sight Height: 0.9 in (may be a bit much for even a Hi-Point)
Range (yd) Drop (in) Drift (in) Velocity Energy
(fps) (ft-lb)
0 -0.9 0.0 1160 463
10 0.3 0.1 1132 441
20 1.3 0.2 1107 422
30 2.0 0.5 1084 404
40 2.4 0.9 1062 388
50 2.5 1.3 1043 374
60 2.3 1.9 1025 361
70 1.7 2.5 1008 350
80 0.8 3.2 992 339
90 -0.4 4.0 977 329
100 -2.1 4.9 963 319
110 -4.1 5.9 950 311
120 -6.4 7.0 937 302
130 -9.2 8.1 925 295