1. Install spring pin (1), helical compression spring (2), safety detent (3), flat end first, and grenade launcher safety (4), and secure with spring pin (5). Spring pin should be equal distance to both sides.
2. Seat compression helical spring (5) in hole in receiver. Install cartridge extractor (6) and secure with spring pin (7). Check that spring pin (7) is equally positioned on both sides.
3. Place compression helical spring (8) on cartridge ejector (9). Install cartridge ejector in middle hole of receiver as shown. Position ejector retainer (10) on compression helical spring (8). Press on ejector retainer (10) to compress compression helical spring (8) and secure with spring pin (11). If removed, install spring pin (11.1).
Using the old style firing pin, part number 8448327, can cause injury to personnel and damage to equipment when firing a live round. The old firing pin must be replaced by the new firing pin, part number 12002970, whenever the old firing pin is identified in the weapon.
Install firing pin with flat side up. The cocking lever goes in slot in receiver.
4. Seat cocking lever (12) on firing pin (13) as shown.
Install cocking lever (12) and firing pin (13), and secure with spring pin (14).
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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