Mm Grenade Launcher Mmawe Maintenance Instructions Cont

INSTALLATION OF M203 GRENADE LAUNCHER TO M16 SERIES RIFLE (CONT)

M203 Mounting BracketLauncher Grenade 40mm M203

4. Remove front swivel (6) from bottom of front sight by driving out rivet (7).

Remove Front Sight M16a2Launcher Grenade 40mm M203

7. Place swivel locking bar (9) in swivel mount (8).

M203 Barrel Assembly

9. Remove barrel assembly (11) from receiver assembly (12) if assembled. See page 2-17.

ARMY TM 9-1010-221-23&P AIR FORCE TO 11W3-9-4-2 MARINE CORPS TM 07700A-23&P/2 NAVY SW 370-AE-MMI-010

M203 Mounting Bracket

8. Install two spring pins (10).

M203 Mounting Bracket

10. Install bushing half (13) in mounting bracket (14).

11. Position mounting bracket (14) over rifle barrel with the tip (15) pointing forward. Install other bushing half (13).

ARMY TM 9-1010-221-23&P AIR FORCE TO 11W3-9-4-2 MARINE CORPS TM 07700A-23&P/2 NAVY SW 370-AE-MMI-010

INSTALLATION OF M203 GRENADE LAUNCHER TO M16 SERIES RIFLE (CONT)
Install M203

12. While holding mounting bracket (14) forward, position receiver assembly (12) over rifle barrel. Align spring pin (16) with notch in barrel nut (17). Be sure spring pin is fully seated in notch of barrel nut.

Alignment Grenade Launcher

NOTE

For proper alignment, ensure the receiver assembly is centered under the barrel of the rifle.

13. Seat receiver assembly (12) firmly in rifle.

ARMY TM 9-1010-221-23&P AIR FORCE TO 11W3-9-4-2 MARINE CORPS TM 07700A-23&P/2 NAVY SW 370-AE-MMI-010

14. Align screw holes in receiver assembly and mounting bracket and install two machine screws (18). Fully tighten machine screws (18).

15. Check installation of receiver assembly as follows:

a. The movement from side to side should not exceed 1/8 inch (0.32 cm) left or right of center. Total movement cannot exceed 1/4 inch (0.64

b. If excess side to side movement exists, replace the bushing halves.

c. There must be no up and down movement between the receiver assembly (M203) and the rifle barrel.

16. Use cleaning rod section to engage trigger guard

Schematic M203 Grenade Launcher

17. Install locking wire (20) as follows:

a. Install an 8 inch (20.32 cm) length of locking wire (20); it may be started at either machine screw (18).

b. Insert locking wire (20) approximately halfway through hole in head of machine screw (18).

Schematic M203 Grenade LauncherSchematic M203 Grenade Launcher

ARMY TM 9-1010-221-23&P AIR FORCE TO 11W3-9-4-2 MARINE CORPS TM 07700A-23&P/2 NAVY SW 370-AE-MMI-010

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Responses

  • Juliane
    How to attach m203 grenade launcher?
    8 years ago
  • fre-qalsi
    How to attach an M203 to an M16a2?
    6 months ago

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