PCB 1.8 Trajectory chart. 

Bullet name..................... fed prem sabot 12 ga
Bullet weight...................     438 grains
Bullet diameter.................   0.500 inches 
Muzzle velocity.................    1450 ft/sec
Ballistic coefficient...........   0.141
Line of sight above bore axis...    1.50 inches
Zero............................ +    2.5 inches at   50.0 yards
Crosswind.......................    10.0 mph from 90 degs
Temperature.....................      59 deg F
Altitude........................       0 ft
Sights zeroed at                       0 degs
Firing angle....................       0 deg
Cant angle......................       0 deg


 Range   Velocity  Energy    Flight    Drop   Maks    Path   Drift  Click Click
                             time             height                up    side 
 [yds]   [ft/s]    [ft.lbs]  [s]       [ins]  [ins]   [ins]  [ins]              
===============================================================================
    25     1351      1776    0.054      0.5    -0.5     1.1    0.4  -17.5   5.8
    50     1262      1549    0.111      2.3     0.0     2.5    1.4  -20.0  10.9
    75     1185      1365    0.173      5.4     0.8     2.5    3.1  -13.5  16.3
   100     1120      1220    0.238     10.0     2.1     1.0    5.4   -4.1  21.7
   125     1067      1107    0.306     16.4     4.0    -2.2    8.4    7.0  26.9
   150     1023      1018    0.378     24.7     6.4    -7.3   11.9   19.5  31.8
   175      986       946    0.453     34.9     9.4   -14.5   16.0   33.1  36.5
   200      954       885    0.530     47.4    13.1   -23.8   20.5   47.6  41.0