Technical data

TM 9-1005-319-23&P
TABLE OF CONTENTS - Continued
WP Sequence No.
Page No.
CHAPTER 3 — FIELD MAINTENANCE INSTRUCTIONS (Continued)
Barrel Assembly (M16A2, M16A3) 9349124, (M16A4) 12598107,
Replacement Barrel and Front Sight Assembly (M4) 9390007,
(M4A1) 12991851 Maintenance ............................................................................................. WP 0016
Figure 1. Removal/Installation of Front Sight Post...............................0016-2
Figure 2. Removal/Installation of Front Sight Detent and Spring.......0016-2
Figure 3. Removal of Small Sling Swivel (Rifle) ....................................0016-3
Figure 4. Removal/Installation of Spring Pins (Carbine)......................0016-3
Figure 5. Removal/Installation of Locking Bar (Carbine) .....................0016-4
Figure 6. Removal/Installation of Swivel Mount (Carbine) ..................0016-4
Figure 7. Disassembly/Assembly of Swivel Mount (Carbine) ...............0016-5
Figure 8. Repair of Bent Front Sight Assembly.....................................0016-5
Figure 9. Installation of Small Sling Swivel (Rifle)...............................0016-8
Figure 10. Measurement of Height of Front Sight Post ..........................0016-9
Figure 11. Adjustment of Front Sight Post ............................................0016-10
Figure 12. Final Measurement of Height ...............................................0016-10
Upper Handguard Assembly and Barrel Stop Assembly
(M16A3, M16A4) Maintenance .............................................................................................. WP 0017
Figure 1. Placement of Handguard Assembly for Repair......................0017-1
Figure 2. Disassembly/Assembly of Handguard Assembly ...................0017-2
Figure 3. Repair of Barrel Stop Assembly..............................................0017-2
Upper Handguard Assembly (M4, M4A1) Maintenance ......................................................... WP 0018
Figure 1. Placement of Handguard Assembly for Repair......................0018-2
Figure 2. Disassembly/Assembly of Handguard Assembly ...................0018-2
Upper Receiver Assembly and Rear Sight Assembly Maintenance ....................................... WP 0019
Figure 1. Removal of Ejection Port Cover ..............................................0019-2
Figure 2. Removal of Windage Knob ......................................................0019-3
Figure 3. Removal of Sight Aperture......................................................0019-3
Figure 4. Disassembly of Rear Sight Assembly .....................................0019-4
Figure 5. Removal of Forward Assist Assembly ....................................0019-5
Figure 6. Straightening Rear Sight Guards...........................................0019-6
Figure 7. Installation of Forward Assist Assembly ...............................0019-7
Figure 8. Assembly and Installation of Elevation Knob Assembly ......0019-8
Figure 9. Installation of Rear Sight Base...............................................0019-9
Figure 10. Installation of Helical Spring................................................0019-10
Figure 11. Installation of Sight Aperture and Windage Knob..............0019-10
Figure 12. Installation of Ejection Port Cover .......................................0019-11
Figure 13. Zeroing Elevation Knob .........................................................0019-12
Figure 14. Centering Rear Sight .............................................................0019-13
Figure 15. Adjustment of Rear Sight ......................................................0019-13
Figure 16. Visual Verification .................................................................0009-14
Forward Assist Assembly Maintenance ................................................................................... WP 0020
Figure 1. Disassembly of Forward Assist Assembly..............................0020-1
Figure 2. Assembly of Forward Assist Assembly...................................0020-2
Lower Receiver and Buttstock Assembly Maintenance .......................................................... WP 0021
Figure 1. Removal of Pistol Grip.............................................................0021-2
Figure 2. Removal of Machine Screw......................................................0021-2
Figure 3. Removal of Buttstock Assembly (Rifle) ..................................0021-3
Figure 4. Removal of Buttstock Assembly (Carbine).............................0021-4
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