Note

Disassemble only to replace unserviceable components.

Remove two machine screws (1) and separate fire control quadrant (2) from bracket assembly (3). This configuration is for use with M16A1/M16A2/M16A3 rifles.

Remove two machine screws (1.1) and separate fire control quadrant (2) from spacer (2.1) and bracket assembly (3). This configuration is for use with M16A4 rifles and M4/M4A1 carbines.

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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