How To Use This Manual

GENERAL

In order to use this manual efficiently, there are several things you need to know:

1. All references in the manual are to pages only.

2. Illustrations forthe maintenance procedures show only those parts affected by the operation being performed.

3. Whenever the male gender is mentioned in the manual (i.e., crewman, repairman), it also pertains to females.

INREXES

This manual is organized to help you find the information you need quickly. There are several useful indexes.

1. Front Cover Index. Lists the most important areas of the manual. Is keyed to areas with bleed-to-edge indicators.

2. Table of Contents. Lists in order all chapters, sections, and appendixes. Gives page references.

3. Nomenclature Cross-Reference List and List of Abbreviations.

4. Chapter Overviews. Summarize material covered in the chapter. Are located at the beginning of each chapter.

5. Symptom Index. Located just before the troubleshooting table in each maintenance chapter. Lists, in alphabetical order, parts of the weapon with possible malfunctions. References pages of the troubleshooting table.

6. Alphabetical Index. Located at the end of the manual. An extensive subject index for everything in the manual. Gives page references.

MAINTENANCE PROCEDURES

The maintenance procedures are broken up into separate tasks. Each task has an initial setup containing a list of the following things you will need in order to do your maintenance task:

1. Special Tools. Lists tools not found in your TOE authorized tool sets.

2. Materials/Parts. Lists expendable materials and 100% replaceable parts. AJso lists for each removal procedure the main parts to be replaced. Do not order this part unless neer^nd. Each material or part is followed by a part number or appendix reference. If more than one part is needed, the quantity needed precedes the part number or reference.

3. References Lists other publications containing necessary information.

4. Troubleshooting Reference. Lists malfunctions which can be corrected by following the maintenance procedure.

5. Equipment Conditions. Lists conditions to be met before starting the procedure. The reference on the left of the condition is a page reference to instructions for setting up the condition.

SHOULDER oUN STOCK ASSEMBLY

EX1ERNAL VIEW OF 5.56-MM RIFLE M16

UPPER RECEIVER AND BARREL ASSEMBLY

LOWER RECEIVER AND EXTENSION ASSEMBLY

SHOULDER oUN STOCK ASSEMBLY

UPPER RECEIVER AND BARREL ASSEMBLY

Sling Small Arms

SMALL ARMS SLING

CARTRIDGE MAGAZINE

SMALL ARMS SLING

CARTRIDGE MAGAZINE

RIGHT SIDE

UPPER RECEIVER AND BARREL ASSEMBLY

SMALL ARMS SLING

CARTRIDGE MAGAZINE

LEFT SIDE

SHOULDER GUN STOCK ASSEMBLY

UPPER RECEIVER AND BARREL ASSEMBLY

SHOULDER GUN STOCK ASSEMBLY

SMALL ARMS SLING

Gunstock Shoulder

CARTRIDGE MAGAZINE

LOWER RECEIVER AND EXTENSION ASSEMBLY

SHOULDER GUN STOCK ASSEMBLY

EXTERNAL VIEW OF 5.56-MM RIFLE M16A1

UPPER RECEIVER AND BARREL ASSEMBLY

FORWARD ASSIST ASSEMBLY

SHOULDER GUN STOCK ASSEMBLY

UPPER RECEIVER AND BARREL ASSEMBLY

FORWARD ASSIST ASSEMBLY

Gun Extension Lower

SMALL ARMS

SLING

LOWER RECEIVER AND EXTENSION ASSEMBLY

CARTRIDGE MAGAZINE

LOWER RECEIVER AND EXTENSION ASSEMBLY

RIGHT SIDE

SMALL ARMS

SLING

CARTRIDGE MAGAZINE

UPPER RECEIVER AND BARREL ASSEMBLY

SMALL ARMS SLING

CARTRIDGE MAGAZINE

SHOULDER GUN STOCK ASSEMBLY

UPPER RECEIVER AND BARREL ASSEMBLY

SHOULDER GUN STOCK ASSEMBLY

SMALL ARMS SLING

M16 Rifle Upper Receiver Diagram

CARTRIDGE MAGAZINE

LOWER RECEIVER AND EXTENSION ASSEMBLY

LEFT SIDE

CHAPTER 1 INTRODUCTION

This chapter contains general information, equipment description and data, and principles of operation for your weapon.

Section I. GENERAL INFORMATION

a. Type of Manual: Organizational, Direct, and General Support Maintenance b. Model Number and Equipment Name: 5.56-mm Rifle M16 and M16A1

c. Purpose of Equipment Provides personnel an offensive capability to engage targets for field use.

1-2. MAINTENANCE FORMS, RECORDS, AND REPORTS. Department of the Army forms and procedures used for equipment maintenance will be those prescribed by TM 38-75U, The Army Maintenance Management System.

1-3. DESTRUCTION OF ARMY MATERIEL TO PREVENT ENEMY USE. See TM 750-244-7.

1-4. PREPARATION FOR STORAGE OR SHIPMENT.

See TM 740-90-1

1-5. OFFICIAL NOMENCLATURE, NAMES, AND DESIGNATIONS.

NOMENCLATURE CROSS-REFERENCE LIST

Common Name

Action Spring Pivot Pin Detent

Officiai Nomenclature

Compression Helical Spring (8448629) Takedown Pin Detent (8448585)

Common Name

Official Nomenclature

Weapon

5.56-mm Rifle M16 or

M16A1

Trigger Spring

Torsion Helical Spring

(8448593)

Disconnector

Compression Helical

Spring

Spring (8448594)

Extractor Spring

Spring Assembly

Assembly

(8448755)

Ejector Spring

Helical Spring

(8448516)

Magazine Catch

Compression Helical

Spring

Spring (8448637)

Bolt Catch

Compression Helical

Spring

Spring (8448633)

Hammer Spring

Torsion Helical

Spring (8448611)

1-6. REPORTING EQUIPMENT IMPROVEMENT RECOMMENDATIONS (EJR). If your rifle needs improvement, let us know. Send us an EIR. You; the user, are the only one who can iell us what you don't like about your equipment. Let us know why you don't like the design. Put it on an SF 368 (Quality Deficiency Report). Mail it to us at Commander, US Army Armament, Munitions and Chemical Command. ATTN: DRSMC-MAO (R), Rock Island, IL 61299. Well send you a reply.

Section II. EQUIPMENT DESCRIPTION AND DATA

1-7. EQUIPMENT CHARACTERISTICS, CAPABILITIES, AND FEATURES.

a. Characteristics.

(1) Lightweight

(2) Air-cooled

(3) Gas-operated {4) Magazine-fed

(5) Semi or automatic fire b. Capabilities. Provide personnel an offensive defensive capability lo engage targets while in the field role.

c. Features.

(1) The bolt locking action is one ol the mechanical features of the weapon. The bolt and barrel tension contain locking lugs which engage and lock the bolt firmlv in .he barrel extension. The initial lorce of ┬╗he explosion of the cartridge is absorbed by the barrel, barrel extension, and bolt.

(2) The trigger guard is easily adaptable to winter operations. A spring-loaded retaining pin is depressed to allow ready access to the trigger when wearing arctic mittens.

(3) The ejection port cover prevei its dirt or sand from getting into the ejection port. The cover must be closed during periods when firing is not anticipated. It opens automatically by the forward or rearward movement of the bolt carrier.

1-B. LOCATION AND DESCRIPTION OF MAJOR COMPONENTS,

CARTRIDGE MAGAZINE. 30 cartridge capacity.

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Responses

  • patrycja
    What cartridge do M16A1 use?
    4 years ago
  • sarah
    Why trigger guard of m16A1 adaptable winter operation?
    3 years ago

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