Explanation Of Columns In Remarks Section Iv

a. Column 1, Reference Code. The code recorded In column 6, Section II.

b. Column 2, Remarks. This column lists information pertinent to the maintenance function being performed as indicated In the MAC, Section II.

Section II. MAINTENANCE ALLOCATION CHART FOR

M16A2 RIFLE AND M4/M4A1 CARBINES

GROUP NUMBER

COMPONENT ASSEMBLY

MAINTENANCE FUNCTION

MAINTENANCE LEVEL

TOOLS AND EQPT

REMARKS CODE

unit

ds

ds

depot

C

O

F

H

D

00

M16A2 5.56MM

Inspect

0.1

0.3

0.7

2

RIFLE, AND M4/

Test

0.2

2,3

M4A1 5.56MM

Service

0.2

0.3

0.3

CARBINES

Replace

0.1

Overhaul

00.1

CARRYING

Inspect

0.1

0.1

0.1

HANDLE

Service

0.1

ASSEMBLY

Remove/

0.1

0.1

0.1

M4/M4A1

Install

Replace

0.3

1,3

Repair

0.1

0.2

1,3

00.101

Rear Sight

Inspect

0.1

Assembly M4/

Replace

0.3

1,3

M4A1

Repair

0.2

1,3

01

BOLT CARRIER

Inspect

0.1

0.1

0.1

ASSEMBLY

Service

0.1

0.1

Remove/

0.1

Install

Replace

0.1

1,2

Repair

01

0.1

3

0101

Bolt Assembly

Inspect

0.1

0.1

0.1

Test

0.1

2

Service

0.1

Remove/

0.1

Install

Replace

0.1

2

Repair

0.1

0.1

3

*'Wor

ktimes are included in DM

WR 9-1005-249

MAINTENANCE ALLOCATION CHART (CONT)

(1)

(2)

(3)

(4)

(5)

(6)

MAINT

rENANC

:e level

GROUP

MAINTENANCE

TOOLS

NUMBER

COMPONENT ASSEMBLY

FUNCTION

unit

ds

ds

depot

AND

REMARKS

C

O

F

H

D

EQPT

CODE

0102

Key and Bolt

Inspect

0.1

0.1

Carrier Assembly

Service

0.1

Remove/

0.1

Install

Replace

0.1

1

Repair

0.1

0.1

1,3

02

HANDLE

Inspect

0.1

ASSEMBLY

Service

0.1

Remove/

0.1

Install

Replace

0.1

**

Repair

0.1

3

03

UPPER RECEIVER

Inspect

0.1

0.2

0.1

AND BARREL

Test

0.2

2

ASSEMBLY

Service

0.2

0.1

1

Remove/

0.1

Install

Replace

0.5

1,2

Repair

0.2

0.5

1,2,3

A,B

0301

M16A2 Barrel As

Inspect

0.1

0.1

sembly and M4/

Replace

0.3

1,2

M4A1 Replacement

Repair

0.1

3

Barrel

0302

Upper Receiver

Inspect

0.1

Assembly

Replace

0 5

1.2

Repair

0.3

1.3

030201

Forward Assist

Inspect

0.1

Assembly

Replace

0.1

Repair

0 1

1.3

030202

Rear Sight Assem

Inspect

0 1

bly M16A2

Replace

0.3

1,3

Repair

0 2

1,3

R-fi Cha

nge 4

MAINTENANCE ALLOCATION CHART (CONT)

(1)

(2)

(3)

(4)

(5)

(6)

MAINTENANCE LEVEL

GROUP

MAINTENANCE

TOOLS

NUMBER

COMPONENT ASSEMBLY

FUNCTION

unit

ds

ds

depot

AND

REMARKS

C

O

F

H

D

EQPT

CODE

04

LOWER RECEIVER

Inspect

0.1

0.1

0.1

AND BUTTSTOCK

Test

0.1

2

ASSEMBLY

Service

0.2

0.2

Repair

0.2

0.3

1,2,3

C,D,E

0401anc

Buttstock Assembly

Inspect

0.1

0401A

Remove/

0.1

3

Install

Replace

0.1

3

Repair

0.1

3

0402

Hammer Assembly

Inspect

0.1

Remove/

0.1

Install

Replace

0.1

Repair

0.1

0403

Trigger Assembly

Inspect

0.1

Remove/

0.1

1,3

Install

Replace

0.1

1,3

Repair

0.1

1,3

040301

Trigger Subassem

Inspect

0.1

bly M16A2 and M4

Replace

0.1

1,3

Repair

0.1

1,3

0404 an

1 Lower Receiver

Inspect

0.1

0404A

and Receiver Ex

Test

0.1

2

tension Assembly

Repair

0.2

1,3

Chang

Section III. TOOL AND TEST EQUIPMENT REQUIREMENTS

M16A2 RIFLE AND M4/M4A1 CARBINES

TOOL OR TEST EQUIPMENT REF CODE

MAINTENANCE CATEGORY

NOMENCLATURE

NATIONAL/NATO STOCK NUMBER

(5) TOOL NUMBER

1 (ARMY ONLY)

F

Shop Set, Small

4933-00-754-0664

SC 4933-95-CL-A11

2 (ARMY ONLY)

F

Tool and gage Set, DS/GS Maintenance for 5.56mm Rifle, M16 Series

4933-00-056-7106

8426685

3 (ARMY ONLY)

O

Tool Kit, Small Arms Repairman

5180-00-357-7770

SC 5180-95-CL-A07

4 (A.F ONLY)

F

Torque Wrench, ft-lb

5120-00-640-6365

A-A-411

5 (A.F ONLY)

F in.-lb

Torque Wrench,

51 20-00-230-6380

T-E-12A

6 A.F ONLY)

F

Trigger Weights

4933-00-647-3696

7274758

Section IV. REMARKS

Reference Code

Remarks

A

Tool, Front Sight Post Removal and Installation

B

Depressor, Front Sight Detent

C

Tool, Pivot Pin Removal

D

Tool, Pivot Pin Installation

E

Pin, Slave

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