BROWNING MACHINE GUN, CALIBER .50 HB, M2

1 FM C1 FOR OFFICIAL USE ONLY Change 1 Headquarters Field Manual Department of the Army No. FM Washington, DC, 11 April 2007 BROWNING MACHINE GUN, CALIBER .50 HB, M2 1. Change FM , 3 March 2005, as follows: Remove old pages: Insert new pages: i through ..i through iv 2-11 through through 2-12 3-11 through through 3-18 4-3 through through 4-6 6-23 through through 6-24 B-7 through B-7 through B-8 Glossary-1 through through Glossary-2 Index-1 through 1 through Index-6 2. A star (*) marks new or changed material. 3. File this transmittal sheet in front of the publication. DISTRIBUTION RESTRICTION: Distribution authorized to Government agencies and their contractors only (this publication addresses current technology in areas of significant or potentially significant military application).

2 This determination was made on August 18, 2004. Other requests for this document will be referred to: Commandant; Army Infantry School; ATTN: ATSH-INB-O; Fort Benning, GA 31905-5593. 0708002 DESTRUCTION NOTICE: Destroy by any method that will prevent disclosure of contents or reconstruction of the document. Manual provided by eMilitary Manuals- C1 11 April 2007 By order of the Secretary of the Army: GEORGE W. CASEY, JR. General, United States Army Chief of Staff Official: JOYCE E. MORROW Administrative Assistant to the Secretary of the Army 0709902 DISTRIBUTION: Regular Army, Army National Guard, and Army Reserve: To be distributed in accordance with initial distribution number 110203, requirements for FM , BROWNING MACHINE Gun, CALIBER .

3 50 HB, M2. Manual provided by eMilitary Manuals- +FM , C1 11 April 2007 FOR OFFICIAL USE ONLY i Field Manual HEADQUARTERS No. DEPARTMENT OF THE ARMY Washington, DC, 11 April 2007 BROWNING MACHINE GUN CALIBER .50 HB, M2 CONTENTS Page iv CHAPTER 1. INTRODUCTION 1-1. Training Strategy .. 1-1 1-2. Description .. 1-4 1-3. Components .. 1-7 1-4.

4 Ground Mounts .. 1-8 1-5. Accessories for Ground Mounts .. 1-10 1-6. Vehicular 1-12 1-7. Ammunition .. 1-15 CHAPTER 2. MAINTENANCE 2-1. Safety .. 2-1 2-2. General Disassembly .. 2-1 2-3.

5 Cleaning, Inspection, and Lubrication .. 2-8 2-4. Maintenance Procedures .. 2-10 *2-5. Maintenance Under Chemical, Biological, Radiological, and Nuclear (CBRN) 2-6. General Assembly .. 2-11 2-7. Function Check .. 2-15 DISTRIBUTION RESTRICTION: Distribution authorized to Government agencies and their contractors only (this publication addresses current technology in areas of significant or potentially significant military application).

6 This determination was made on August 18, 2004. Other requests for this document will be referred to: Commandant, Army Infantry School, ATTN: ATSH-INB-O, Fort Benning, GA 31905-5593. DESTRUCTION NOTICE: Destroy by any method that will prevent disclosure of contents or reconstruction of the document. +This publication supersedes FM 23-65, June 1991; FM 23-65, Change 1, January 2002; FM 23-65, Change 2, December 2002; and rescinds DA Form 7007-R, January 2002. Manual provided by eMilitary Manuals- , C1 ii FOR OFFICIAL USE ONLY 11 April 2007 Page CHAPTER 3. OPERATION AND FUNCTIONING 3-1.

7 3-1 3-2. Loading Procedures .. 3-1 3-3. Unloading Procedures .. 3-3 3-4. Cycle of 3-4 3-5. Left-hand Feed .. 3-10 *3-6. Headspace and 3-11 CHAPTER 4. PERFORMANCE PROBLEMS AND DESTRUCTION 4-1. Malfunctions .. 4-1 4-2.

8 Stoppages ..4-1 *4-3. Immediate .4-2 *4-4. Remedial Action .. 4-4 *4-5. Destruction Procedures ..4-5 CHAPTER 5. MARKSMANSHIP TRAINING Section I. Planning .. 5-1 5-1. Objectives .. 5-1 5-2.

9 Commander's Responsibilities ..5-1 5-3. Phases of .5-1 5-4. Sustainment Training ..5-2 5-5. Remedial Training .. 5-2 Section II. Fundamentals ..5-2 5-6. Firing Positions ..5-2 5-7. Dry-Fire 5-6 5-8.

10 Range Determination .. 5-11 5-9. Observation and Adjustment of .5-15 5-10. Fire Commands .. 5-17 5-11. Crew 5-21 5-12. MACHINE Gun Fundamental Skills 5-32 Section III. Basic Marksmanship Training and Qualification ..5-33 5-13. Zeroing .. 5-34 5-14. 10-Meter Practice Firing .. 5-36 5-15. Firing Table I: Day Practice (Mounted or Dismounted, Prone or Fighting Position).