Corrective Action

13. FIRES WHEN TRIGGER IS RELEASED WITH SELECTOR LEVER ON SEMI, OR FIRES TWO OR MORE ROUNDS IN SEMI SELECTOR POSITION (DOUBLING).

Step 1. Defective disconnector (1).

Replace disconnector (1).

step 2. Worn or broken hammer trigger notch (2).

Worn or broken hammer disconnector notch (3).

Replace firing hammer (4).

step 3. Worn or broken trigger nose (5).

Replace trigger (6).

Step 4. Worn trigger or hammer pin hole. Gage trigger and hammer pin holes.

If gage 12006472 enters any of the four holes, replace weapon (p 3-57).

14. FIRES WITH SELECTOR LEVER ON SAFE.

Step 1. Defective selector lever (1).

Replace selector lever (1). Step 2. Worn or broken trigger (rear portion (2). Replace trigger (3).

15. BOLT FAILS TO LOCK TO REAR AFTER FIRING LAST ROUND.

Step 1. Broken bolt catch (1).

Replace bolt catch (1). Step 2. Weak or broken bolt catch spring (2).

Replace bolt catch spring (2). Step 3. Restricted movement of bolt catch (1). Disassemble and clean.

Section IV. DECONTAMINATION OF RIFLES AND SHOP AREA 3-8. DECONTAMINATION OF SIGHTS ACTIVATED WITH TRITIUM (H3). Refer to Chapter 2 Section V for procedures.

Section V. MAINTENANCE PROCEDURES FOR THE M16 AND M16A1 RIFLE

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