Upper Receiver And Barrel Assembly

This task covers:

a. Disassembly b. Cleaning C- Inspection

INITIAL SETUP

d. Repair e. Lubrication f. Reassembly

Tools

Sight removal tool (E-1, app E) Small Arms Repairman Tool Kit SC 5180-95-CL-A07 (19204)

Materials IParts Cleaner, lubricant and preservative (CLP) (item 5, app D)

Equipment Configuration Upper receiver and barrel assembly removed from lower receiver.

General Safety Instructions To avoid injury to your eye, use care when removing and installing spring-loaded parts.

When using solid film lubricant or dichloromethane, be sure the area is well ventilated.

Do not interchange bolt assemblies or other components from one weapon to another. Doing so may result in injury to, or death of, personnel.

M16 Rifle Upper Receiver Diagram

Barrel assembly may be equipped with a low light level sight. The low light level sight contains radioactive material. If so equipped, do not insert metal objects into the post slot or otherwise treat roughly to cause breakage of the radioactive element.

LOCATION

ITEM

ACTION

REMARKS

Upper Receiver and a. Front sight Barrel Assembly

Inspect for type installed

Inspect for type installed

M16 Front Sight Assembly

STANDARD FRONT SIGHT POST

FRONT LOW LIGHT LEVEL POST ASSEMBLY

STANDARD FRONT SIGHT POST

Prior to disassembly, determine if a radioactive sight is installed and if it has been damaged. If damaged, see warning page and section Von page 2-14.

WARNING

WARNING

M16 Rifle Upper Receiver Diagram

If weapon is equipped with low light level front post assembly, see page 4-5 and 4 24 for usable life and maintenance.

If weapon is equipped with standard steel front sight post, see page 2-30 for maintenance.

Using fabricated tool (E-1, app E), remove front sight post

FRONT SIGHT POST REMOVING AND INSTALLATION

TOOL

FRONT SIGHT POST REMOVING AND INSTALLATION

TOOL

Tool Post Installation

J DEPRESS 1 DETENT

J DEPRESS 1 DETENT

RADIOACTIVE CONTENT 9 MC

DATE OF MANUFACTURE

ELEMENT SEEN FROM 2 SIDES ONLY

Upper Receiver Symbols

RADIATION SYMBOL

LUMINOUS MATERIAL H 3 FOR TRITIUM

FRONT LOW LIGHT LEVEL POST ASSEMBLY

RADIOACTIVE CONTENT 9 MC

DATE OF MANUFACTURE

RADIATION SYMBOL

ELEMENT SEEN FROM 2 SIDES ONLY

LUMINOUS MATERIAL H 3 FOR TRITIUM

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Responses

  • robert
    WHAT ARE THE M16 UPPER RECEIVER REASSEMBLY STEPS?
    4 years ago

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