TC 3-22.84 M3 Multi Role, Anti-Armor Anti-Personnel Weapon ...

1 TC M3 Multi -Role, Anti-Armor Anti-Personnel Weapon System JULY 2019 DISTRIBUTION RESTRICTION: Approved for public release; distribution is , Department of the Army This publication is available at the Army Publishing Directorate site ( ), and the Central Army Registry site ( ) TC DISTRIBUTION RESTRICTION: Approved for public release; distribution is unlimited. i Training Circular No. Headquarters Department of the Army Washington, DC, 18 July 2019 M3 Multi -Role, Anti-Armor Anti-Personnel Weapon System Contents Page Chapter 1 OVERVIEW .. 1-1 Safe Weapons Handling.

2 1-1 Rules of Firearms Safety .. 1-2 Weapon Safety Status .. 1-3 Weapons Control Status .. 1-4 Chapter 2 PRINCIPLES OF 2-1 Description .. 2-1 Major Components .. 2-2 Cycle of Operation .. 2- 14 Weapon Operation .. 2- 19 Chapter 3 AIMING DEVICES .. 3-1 Function .. 3-1 Units of Angular Measurement .. 3-1 MILS .. 3-2 Electromagnetic Spectrum .. 3-3 Aiming Sights .. 3-5 Chapter 4 EMPLOYMENT .. 4-1 Firing Events .. 4-1 Shot Process .. 4-1 Functional Elements of the Shot Process .. 4-2 Target Acquisition .. 4-3 Chapter 5 STABILITY .. 5-1 Support .. 5-1 Natural Point of Aim.

3 5-2 Shooter-gun Angle .. 5-2 Field of View .. 5-2 Carry Positions .. 5-3 Firing Positions .. 5-8 Chapter 6 AIMING .. 6-1 Common Engagements .. 6-1 Weapon Orientation .. 6-2 Sight Alignment .. 6-4 Sight Picture .. 6-4 Contents ii TC 18 July 2019 Point of Aim .. 6-4 Desired Point of Impact .. 6-4 Common Aiming Errors .. 6-5 Chapter 7 CONTROL .. 7-1 Arc of Movement .. 7-1 Trigger Control .. 7-2 Breathing Control .. 7-3 Workspace Management .. 7-3 Calling the Shot .. 7-4 Follow-through .. 7-4 Misfire .. 7-4 Appendix A AMMUNITION .. A-1 Appendix B BALLISTICS .. B-1 Appendix C COMPLEX ENGAGEMENTS.

4 C-1 Appendix D DRILLS .. D-1 Appendix E BORESIGHTING .. E-1 GLOSSARY .. Glossary-1 REFERENCES .. References-1 INDEX .. Index-1 Figures Figure 1-1. Employment skills .. 1-1 Figure 2-1. Major components .. 2-2 Figure 2-2. Open sights .. 2-3 Figure 2-3. Telescopic sight .. 2-4 Figure 2-4. Picatinny fire control device .. 2-4 Figure 2-5. Barrel with carrying handle .. 2-5 Figure 2-6. Venturi locking lever assembly .. 2-6 Figure 2-7. Venturi locking lever projections .. 2-6 Figure 2-8. Venturi closed cam plate of firing rod, unblocked .. 2-7 Figure 2-9. Venturi open cam plate of firing rod, blocked.

5 2-8 Figure 2-10. Venturi .. 2-8 Figure 2-11. Shoulder pad .. 2-9 Figure 2-12. Bipod .. 2- 10 Figure 2-13. Firing mechanism assembly .. 2- 10 Figure 2-14. V-slide mounting bracket .. 2- 11 Figure 2-15. Front grip .. 2- 11 Figure 2-16. Basic issue items .. 2- 12 Figure 2 17. Cycle of function, cocking .. 2- 14 Figure 2 18. Cycle of function, unlocking .. 2- 15 Figure 2-19. Feeding .. 2- 15 Figure 2-20. Cycle of function, feeding, and chambering .. 2- 16 Contents 18 July 2019 TC iii Figure 2 21. Cycle of function, locking .. 2- 16 Figure 2-22. Cycle of function, firing.

6 2- 17 Figure 2-23. Cycle of function, extracting .. 2- 18 Figure 2-24. Cycle of function, ejecting .. 2- 18 Figure 2-25. Clearing .. 2- 19 Figure 2-26. Clearing chamber .. 2- 20 Figure 2-27. Installation of telescopic sights .. 2- 20 Figure 2-28. Function check .. 2- 21 Figure 2-29. Function check, firing pin protruding .. 2- 22 Figure 3-1. Mils unit of measurement .. 3-2 Figure 3-2. Electromagnetic spectrum .. 3-4 Figure 3-3. Telescopic reticle .. 3-5 Figure 3-4. Thermal Weapon sight reticle .. 3-5 Figure 3-5. Thermal Weapon sight aim point for M3 fixed reticle.

7 3-6 Figure 3-6. Open sights .. 3-7 Figure 3-7. Ammunition temperature index, open sights .. 3-8 Figure 3-8. Telescopic sight .. 3-8 Figure 3-9. Ammunition temperature index, telescopic sights .. 3-9 Figure 3-10. Picatinny fire control device .. 3- 10 Figure 3-11. PFCD ammunition setting rings .. 3- 11 Figure 3-12. Thermal sight 3- 11 Figure 3-13. Weapon thermal sights by version .. 3- 12 Figure 3-14. Angular measurements using zeroing aim line and aim point, WFOV reticle .. 3- 14 Figure 3-15. Angular measurements using zeroing aim line and aim point, NFOV reticle.

8 3- 14 Figure 3-16. Modular ballistic solution reticle, WFOV .. 3- 15 Figure 3-17. Modular ballistic solution reticle, NFOV .. 3- 15 Figure 3-18. Thermal Weapon sight aim point for M3 fixed reticle .. 3- 16 Figure 3-19. M3 HEAT reticle, WFOV .. 3- 17 Figure 3-20. M3 HEAT reticle, NFOV .. 3- 17 Figure 3-21. Technical data, AN/PEQ23 .. 3- 19 Figure 5-1. Stowed carry .. 5-3 Figure 5-2. Sling carry .. 5-4 Figure 5-3. Low ready .. 5-5 Figure 5-4. Ready position .. 5-6 Figure 5-5. Firing position 5-7 Figure 5-6. Standing position .. 5-8 Figure 5-7. Kneeling position.

9 5-9 Figure 5-8. Sitting position .. 5- 10 Figure 5-9. Prone position .. 5- 11 Figure 6-1. Horizontal weapons orientation .. 6-2 Figure 6-2. Vertical weapons orientation .. 6-3 Contents iv TC 18 July 2019 Figure 7-1. Arc of movement .. 7-1 Figure 7-2. Natural trigger finger placement .. 7-2 Figure 7-3. Workspace .. 7-3 Figure A-1. Backblast danger area .. A-4 Figure A-2. Major component of a complete cartridge .. A-6 Figure B-1. Internal ballistics terms .. B-2 Figure B-2. External ballistics terms .. B-2 Figure B-3. Trajectory .. B-3 Figure C-1. Constant mil angle C-4 Figure C-2.

10 Frontal and flank dimension of BMP-2 .. C-5 Figure C-3. First formula .. C-6 Figure C-4. First formula, example .. C-6 Figure C-5. Speed estimation .. C-8 Figure C-6. Telescopic sight, hold for moving target, HEDP 502 RS .. C-9 Figure C-7. Open sight, hold for moving target, HEDP 502 RS .. C-9 Figure C-8. Oblique target .. C- 10 Figure C-9. Wind effects .. C- 12 Figure C-10. Immediate hold locations for wind and lead .. C- 13 Figure C-11. Wind hold 84-mm, HEDP 502 RS for a BMP-2 .. C- 14 Figure C-12. Compound wind and lead determination .. C- 15 Figure C-13. HEAT 551C, moving target aiming adjustment.