Adjusting fire for follow-on shots - Guide - UNITAF Force Manual (FM)




Adjusting fire for follow-on shots



Current Version (473 days ago)

FM/BG-606.V5.07 - Adjusting fire for follow-on shots

The tools and knowledge available to a Squad Designated Marksman enable him to quickly place accurate fire against a target in the intended range. However, tolerances in calculations, time constraints, environmental factors and incoming fire - all work against the marksman, meaning that first shots do miss. A competent marksmen will quickly adjust their fire to hit the intended target.

 

Adjustment of fire - Visually estimating offset

If you have a non-milliradian sight, the only method of adjustment available is to:

  1. Observe the existing impact point - Easier with tracer rounds, look for evidence of impact on the ground or on an object behind the target. 
  2. Estimate the offset from the aim point (when your reticule crosshairs were pointing) - e.g. in the example below, the impag point was approximately two body widths to the left, and half a body higher.
  3. Adjust your fire by aiming the reticule by an equal amount in the opposite axes - e.g. in the same example, aim two body widths to the right, and half a body lower

This method is quick, often accurate enough and can be used with any weapon/scope.

 

Adjustment of fire - Measuring offset in mrads

If you have a milliradian scope, as most modern-era marksmen will do, you can more accurately calculate the adjustment using the mildots on your scope. 

  1. Observe the existing impact point.
  2. Measure the offset in mrads - in the example below, the impact point is 2.5 mrads left and 1 mrad up from the centre of the reticule.  
  3. Adjust your fire…
    1. By aiming the reticule by an equal amount in the opposite axes - e.g. in the same example, aim 2.5 mrads to the right, and 1 mrad lower, or…
    2. By dialling in the necessary adjustment - e.g. dial 2.5 mrads to the right, and 1 mrad lower

 

Visual adjustment vs Scope adjustment

Visual adjustment is quicker but potentially less accurate - even if you know exactly what the adjustment should be, making a visual adjustment is less reliable than putting the centre of the reticule on the target. Dialling in the adjustment into the scope, takes a little extra time, but then you just need to centre the reticule on the target.

If you have multiple targets in a similar area, it may be worth the investment to adjust your scope, or at least the lateral adjustment - wind and other lateral effects are likely to be similar when aiming in a given general direction. However if your targets are spread widely apart, the adjustment will be different for each shot, thus visual adjustments might be preferred.

Scope view showing the impact point offset from the reticule

Above: Scope view showing the impact point offset from the reticule

Published by LtCol James on 25/06/2024 at 18:33
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