Note

M16A2 burst cam is black. M4 burst cam is nickel colored (shiny).

Cam clutch spring should be assembled with bend to the inside. The large loop of the hammer spring should be assembled over the burst cam.

(M16A2/M4) install burst cam (1), cam clutch spring (2), and hammer spring (3) on hammer and hammer pin retainer assembly (4). (M4A1) install hammer spring (5) on hammer (6).

3-15. TRIGGER ASSEMBLY AND TRIGGER SUBASSEMBLY.

This task covers:

a. Disassembly b. Inspection/Repair

c. Reassembly

INITIAL SETUP

(ARMY) Small Arms Repairman Tool Kit

(item 3, app B) Field Maintenance Basic Less Power

Small Arms Shop Set (item 1, app B) Bolt Carrier Key Tool (item 11, fig C-17)

Equipment Conditions

3-62 Trigger assembly removed

General Safety Instructions

To avoid injury to your eyes, use care when removing and installing spring-loaded parts.

a. DISASSEMBLY

M16A2 AND M4 ONLY

NOTE

Do not remove disconnector springs

(2) unless required for repair.

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M16A2 and M4

M4A1

M16A2 and M4 ONLY

1. Remove trigger spring (1) and two disconnector springs (2) from trigger (3).

M4A1 ONLY

2. Remove disconnector spring (4) and trigger spring (5) from trigger (6).

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