Reassembly Co Nt

12. Install compression helical spring (27) and barrel latch (28). Secure with headless straight pin (29) by installing headless straight pin flush to 0.030 in. (0.076 cm) slightly below the tip of the receiver. The headless straight pin must not be flush with or extend below the bottom surface.

M203 Barrel Latch
13. Stake headless straight pin in place as follows:
Torsion Clock Collection
a. Stake pin in place at top and bottom, 180 degrees opposed; do not allow punch to extend or slide into pinhole during staking.

b. Receiver staking shall be limited to four, placed 90 degrees apart at 3, 6, 9, and 12

o'clock.

c. Inspect staked area for cracked or separated material. Replace receivers that have cracked or separated material.

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. Place torsion helical spring (30) on barrel stop (31) and secure with headless straight pin (32). M203A1 ONLY Handguard assembly does not cover barrel stop pin holes (32.1) therefore one stake each side of receiver is required to retain barrel stop pin.

M203 Barrel AssemblyM203 Barrel Assembly

15. Insert tracks on barrel assembly (33) into tracks in receiver assembly (34). Lift up on barrel assembly (33) and compress barrel stop (31). Pull barrel assembly (33) rearward and barrel stop (31) will snap in place.

16. Perform function checks in accordance with TM 9-1010-221-10.

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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