Find a Security Clearance Job!

Military

  *FM 3-22.31 (FM 23-31)

FIELD MANUAL
NO. 3-22.31

HEADQUARTERS
DEPARTMENT OF THE ARMY
Washington, DC, 13 February 2003

 

FM 3-22.31

40-MM GRENADE LAUNCHER, M203

 

CONTENTS

 

PREFACE
CHAPTER 1. INTRODUCTION
 

1-1.

Training Strategy

 

1-2.

Combat Conditions

CHAPTER 2. OPERATION AND FUNCTION
 

2-1.

Operation

 

2-2.

Loading

 

2-3.

Unloading

 

2-4.

Cycle of Functioning

CHAPTER 3. DESCRIPTION AND MAINTENANCE
 

3-1.

Description

 

3-2.

Technical Data

 

3-3.

Components

 

3-4.

Ammunition

 

3-5.

Clearing Procedures

 

3-6.

General Disassembly

 

3-7.

Cleaning and Lubrication

 

3-8.

Inspection

 

3-9.

General Assembly

 

3-10.

Care and Handling

 

3-11.

Care and Handling Under NBC Conditions

 

3-12.

Decontamination

CHAPTER 4. PERFORMANCE PROBLEMS AND DESTRUCTION
 

4-1.

Malfunctions

 

4-2.

Stoppages

 

4-3.

Immediate Action

 

4-4.

Remedial Action

 

4-5.

Destruction Procedures

CHAPTER 5. MARKSMANSHIP TRAINING

Section I. Preliminary Marksmanship Training

 

5-1.

Four Fundamentals of Marksmanship

 

5-2.

Limited Visibility

 

5-3.

NBC Environment

 

5-4.

Fire Commands

 

5-5.

Dry-Fire Exercises

 

5-6.

Sensing and Adjustment of Fire

 

5-7.

Grenade Launcher Range Layout

 

5-8.

Description of Range and Targets

Section II. Basic Gunnery

 

5-9.

Zeroing the M203 Grenade Launcher

 

5-10.

Overall Qualification Standards

 

5-11.

Day Record Fire

 

5-12.

Day Record Fire Qualification Standards

 

5-13.

Mounting the AN/PVS-4 (Without the Rail System)

 

5-14.

Zeroing the AN/PVS-4 to the M203

 

5-15.

Night Record Fire

 

5-16.

Night Record Fire Qualification Standards

CHAPTER 6. COMBAT TECHNIQUES OF FIRE

Section I. Advanced Gunnery

 

6-1.

Characteristics of Fire

 

6-2.

Classes of Fire

 

6-3.

Range Estimation

 

6-4.

Predetermined Fires

 

6-5.

Types of Targets

 

6-6.

Decontamination

Section II. Fire Control

 

6-7.

Methods of Fire Control

 

6-8.

Fire Commands

Section III. Application of Fire

 

6-9.

Suppressive Fire

 

6-10.

Overwatch Fire

 

6-11.

Area and Point Fire

 

6-12.

Target Engagement

 

6-13.

Limited Visibility

 

6-14.

Overhead Fire

CHAPTER 7. TRAIN-THE-TRAINER PROGRAM

Section I. Organization

 

7-1.

Objectives

 

7-2.

Mission-Essential Task List

 

7-3.

Trainer Assessment

 

7-4.

Assistant Trainers and Cadre Coaches

 

7-5.

Command Benefits

 

7-6.

Program Phases

Section II. Training Tasks

 

7-7.

Phase I, Preliminary Marksmanship Instruction

 

7-8.

Phase II, Basic Gunnery

Section III. Trainers' Certification

 

7-9.

Training Base

 

7-10.

Certification Outline

APPENDIX A. 40-MM GRENADE LAUNCHER, M79
APPENDIX B. UNIT TRAINING PROGRAM
APPENDIX C. PROFICIENCY (PERFORMANCE) EXAMINATION
APPENDIX D. RANGE SAFETY
APPENDIX E. STANDARDS, STRATEGIES, AND REQUIREMENTS
GLOSSARY
REFERENCES
AUTHENTICATION

DISTRIBUTION RELEASE: Approved for public release; distribution is unlimited.
_____________________________
*This publication supersedes FM 23-31, 20 September 1994, and rescinds
DA Form 2946-R, July 1974.



NEWSLETTER
Join the GlobalSecurity.org mailing list