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1 FM 23-65C2 Change 2 HeadquartersDepartment of the ArmyWashington, DC, 23 December 2002 browning machine GunCaliber .50 HB, FM 23-65, 19 June 1991, as follows:Remove old pages:Insert new pages:Pages 1-7 through 1-7 through 1-10 Appendix APages C-1 through C-1 through C-2 Appendix GDA Form Form 7450-RDA Form Form 7451-RReferences: Pages 1 and : Pages 1 and star (*) marks new or changed this transmittal sheet in front of the RESTRICTION: Approved for public release; distribution is unlimited. 0133302 DISTRIBUTION:Active Army, USAR, and ARNG: To be distributed in accordance with the initial distributionnumber 110203, requirements for FM Order of the Secretary of the Army:ERIC K. SHINSEKIG eneral, United States ArmyChief of StaffOfficial:JOEL B. HUDSONA dministrative Assistant to theSecretary of the Army FM 23-65 C1 Change 1 Headquarters Department of the Army Washington, DC, 12 September 2001 browning machine Gun Caliber.

2 50 HB, M2 1. Change FM 23-65, 19 June 1991, as follows: Remove old pages: Insert new pages: Pagesi through iv ..i though through through through through through through through C-6 ..C-5 through through C-22 ..C-21 through through F-2 ..F-1 through F-2 .. through through through References-3 ..References1 through through through Form 7007-R ..DA Form Form Form Form Form pages (not counting this page):..622. A star (*) marks new or changed material. 3. File this transmittal sheet in front of the publication. DISTRIBUTION RESTRICTION: Approved for public release; distribution is unlimited. By Order of the Secretary of the Army: Official: ERIC K. SHINSEKI General, United States Army Chief of Staff JOEL B. HUDSON Administrative Assistant to the Secretary of the Army 0133302 DISTRIBUTION: Active Army, USAR, and ARNG: To be distributed in accordance with DA Form 12-11E, requirement for FM 23-65, browning machine Gun, Caliber.

3 50 HB, M2 (Qty rqr block no. 0203). C1, FM 23-65 * C1, FM 23-65 FIELD MANUAL HEADQUARTERS No. 23-65 DEPARTMENT OF THE ARMY Washington, DC, 19 June 1991 browning machine GUN CALIBER .50 HB, M2 CONTENTS Page * CHAPTER 1. INTRODUCTION 1-1. Training 1-2. 1-3. 1-4. Ground Mounts ..1-9 1-5. Accessories for Ground 1-6.

4 Vehicular 1-7. * CHAPTER 2. MAINTENANCE 2-1. 2-2. General 2-3. Cleaning, Inspection, and Lubrication ..2-9 2-4. Maintenance 2-5. Maintenance Under NBC 2-6. General 2-7. Function * CHAPTER 3.

5 OPERATION AND FUNCTIONING 3-1. 3-2. Loading 3-3. Unloading 3-4. Cycle of 3-5. Left-hand 3-6. Headspace and _____ DISTRIBUTION RESTRICTION: Approved for public release; distribution is unlimited. _____ *This publication supersedes FM 23-65, 19 May 1972, and TC 23-65-1, 19 September 1984. i C1, FM 23-65 Page CHAPTER 4.

6 PERFORMANCE PROBLEMS AND DESTRUCTION 4-1. 4-2. 4-3. Immediate 4-4. Remedial 4-5. Destruction CHAPTER 5. MARKSMANSHIP TRAINING Section I. Planning ..5-1 5-1. 5-2. Commander's 5-3.

7 Phases of 5-4. Sustainment 5-5. Remedial Section II. 5-6. Firing 5-7. Dry Fire 5-8. Range 5-9. Observation and Adjustment of 5-10. Fire 5-11. Crew 5-12. machine Gun Fundamental Skills Test.

8 5-36 Section III. Basic 5-13. Concept of 5-14. 10-Meter Firing 5-15. Transition Day Firing 5-16. NBC 5-17. Night Fire Section IV. Advanced 5-18. 5-19. Tracking and Leading 5-20. Mounted Firing 5-21. Mounted NBC Firing 5-22. Predetermined Firing CHAPTER 6. COMBAT TECHNIQUES OF FIRE Section I. 6-1. Characteristics of 6-2. Classes of Fire ..6-3 Section II. Fire 6-3. Methods of Fire 6-4. Targets and Their 6-5. Overhead Fire ..6-14 6-6. Defilade 6-7.

9 Methods of Laying the Gun for Defilade 6-8. Final Protective 6-9. Application of 6-10. Fire 6-11. Antiaircraft ii C1, FM 23-65 Page Section III. Limited Visibility 6-12. 6-13. 6-14.

10 Target 6-15. Fire 6-16. Preplanned 6-17. NBC CHAPTER 7. TRAIN THE TRAINER PROGRAM 7-1. 7-2. Trainer Certification 7-3. Responsibilities and Duties of the APPENDIX A. APPENDIX B. TRAINING AIDS AND * APPENDIX C. RANGES AND TRAINING APPENDIX D. FIGHTING APPENDIX E. RANGE * APPENDIX F.