1. SDZ Construction: Grenade Launcher (MK19)
Inter-service Resident Range Safety Course (Intermediate)
Version: August 2003
SDZ Construction: Grenade Launcher (MK19)
Inter-service Resident Range Safety Course (Intermediate)
SDZ Construction: Grenade Launcher (MK19)

2. Inter-service Resident Range Safety Course (Intermediate)
Version: August 2003
The MK19 is a 40mm machine gun. Its firing rate is over 350 grenades per minute.
August 2003
SDZ Construction: Grenade Launcher (MK19)

3. The MK19 was deployed in Southwest Asia during Operation Desert Storm and devastated enemy infantry.
August 2003

4. Legend for the MK19 (Batwing)
Weapon:
Ammo Type:
Impact Media:
Distance X:
Distance Y:
Distance W:
Angle P:
Angle Q:
Area A:
Area B:
Map Scale:
Map Sheet:
Map Series:
Map Edition:
Date:
Name:
August 2003

5. Constructing an SDZ for the MK19
Construct an SDZ for the MK19 Grenade Launcher firing the M383 HE cartridge.
Map Scale: 1:12,500.
Dimensions of the SDZ for this weapon system are given in DA-PAM , Chapter 7, Table 7-1.
First, plot the firing point, baseline, target, and gun target line.
August 2003

6. Plot the firing point and the baseline.
Plot the target.
Draw the gun target line.
August 2003

7. From Table 7-1, find the measurement for Distance X (earth).
2095m (ˆ2100m)
Annotate Distance X on the legend.
August 2003

8. Distance X
10°
At the firing point, measure 10° to the right and left of the gun target line.
Draw tic marks.
August 2003

9. Distance X
10°
From the firing point, draw straight lines through the tic marks out through Distance X.
August 2003

10. Distance X
10°
From the firing point, scribe an arc from the left and right limits of the Dispersion Area. Use Distance X as the radius.
August 2003

11. This completes the Dispersion Area.
Distance X
Dispersion
Area
10°
This completes the Dispersion Area.
August 2003

12. Using Table 7-1, find the measurement for Distance Y.
Distance X
Dispersion
Area
Distance Y
Using Table 7-1, find the measurement for Distance Y.
Distance Y =
1250m
Annotate Distance Y on the legend.
August 2003

13. From the Table 7-1, determine Angle P.
Distance X
Dispersion
Area
Distance Y P
Place tic marks at Distance Y on both the right and left lateral limits of the Dispersion Area.
From the Table 7-1, determine Angle P.
Angle P =
23°
August 2003

14. Distance X
Dispersion
Area
Distance Y P
23°
At the firing point, measure 23° from the left and right limits of the Dispersion Area.
Draw tic marks as shown.
August 2003

15. Distance X
Dispersion
Area
Distance Y P
23°
Draw a straight line from the firing point through the tic marks just drawn.
August 2003

16. From the table, find Angle Q.
Distance X
Dispersion
Area
Distance Y Q
15° P
23°
From the table, find Angle Q.
Angle Q =
15°
At Distance Y, measure 15° from the left and right limits of the Dispersion Area for Angle Q.
August 2003

17. Distance X
Dispersion
Area
Distance Y Q
15° P
23°
Draw tic marks as shown.
Draw a straight line from the tic mark at Distance Y through the tic marks just drawn.
August 2003

18. Using Table 7-1, find the measurement for Distance W.
Distance X
Dispersion
Area
Distance Y Q
15° P
23°
Using Table 7-1, find the measurement for Distance W.
Distance W =
167m (ˆ170m)
From both the right, lightly draw lines perpendicular to the lateral limits of the Dispersion Area.
August 2003

19. Draw a straight line through the tic marks.
Distance X
Dispersion
Area
Distance Y Q
15° P
23°
Place tic marks on the lines just drawn at the measurement of Distance W.
Draw a straight line through the tic marks.
August 2003

20. This completes the Ricochet Area.
Distance X
Dispersion
Area
Distance Y P Q
This completes the Ricochet Area.
August 2003

21. This completes the Ricochet Area.
Distance X
Dispersion
Area
Distance Y
Ricochet Area
This completes the Ricochet Area.
Annotate the Ricochet Area (Distance W) on the legend.
Erase any unnecessary lines.
August 2003

22. This completes the Ricochet Area.
Distance X
Dispersion
Area
Distance Y
Ricochet Area
This completes the Ricochet Area.
Annotate the Ricochet Area (Distance W) on the legend.
Erase any unnecessary lines.
August 2003

23. From Table 7-1, find the measurement for Area A.
Distance X
Dispersion
Area
Distance Y
Ricochet Area
From Table 7-1, find the measurement for Area A.
Area A =
310m
Lightly draw lines perpendicular to the limits of the Ricochet and Dispersion Areas.
August 2003

24. Draw tic marks at the measurement for Area A.
Distance X
Dispersion
Area
Distance Y
Ricochet Area
Draw tic marks at the measurement for Area A.
To establish the boundary of Areas A draw straight lines through the tic marks just drawn, through Distance X at the top and the base line at the bottom.
August 2003

25. From Table 7-1, find the measurement for Area B.
Distance X
Dispersion
Area
Distance Y
Ricochet Area
From Table 7-1, find the measurement for Area B.
Area B =
310 meters
August 2003

26. Lightly draw a line extending the gun target line.
Distance X
Dispersion
Area
Distance Y
Ricochet Area
Lightly draw a line extending the gun target line.
Verify that the measurement for Distance X is correct and then draw a tic mark at the measurement of Area B.
August 2003

27. This completes Areas A and B.
Area A
Area B
Distance X
Dispersion
Area
Distance Y
Ricochet Area
From the firing point, scribe an arc through the tic mark from the left to the right limits of Area A.
This completes Areas A and B.
Annotate Areas A and B on the legend.
August 2003

28. To complete the SDZ, erase any unnecessary lines.
Area A
Area B
Distance X
Dispersion
Area
Distance Y
Ricochet Area
Make a notation of the minimum engagement range (310m from the firing point). Do not engage targets any closer to the firing point than this!
To complete the SDZ, erase any unnecessary lines.
August 2003

29. To complete the SDZ, erase any unnecessary lines.
Area A
Area B
Distance X
Dispersion
Area
Distance Y
Ricochet Area
Make a notation of the minimum engagement range (310m from the firing point). Do not engage targets any closer to the firing point than this!
To complete the SDZ, erase any unnecessary lines.
August 2003

30. Legend for the MK19 (Batwing)
Weapon:
MK19 MOD 3 Grenade Launcher
Ammo Type:
M383 HE
Impact Media:
Earth
Distance X:
2100m
Distance Y:
1250m
Distance W:
167m (ˆ170m)
Angle P:
23°
Angle Q:
15°
Area A:
310m
Area B:
Map Scale:
1:12,500
Map Sheet:
Map Series:
Map Edition:
Date:
Name:
August 2003