Technical data

TM 9-1005-319-23&P 0005
0005-14
M16 SERIES RIFLE/M4 SERIES CARBINE - Continued
Table 1. Troubleshooting Procedures - Continued.
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
10. SHORT RECOIL - Continued.
WARNING
CARBON REMOVING COMPOUND
Step 8. Inspect for carbon build-up in barrel gas port (38).
Remove carbon build-up by soaking barrel in carbon removing compound (WP 0045, item
8). Use rubber gloves (WP 0045, item 17) with carbon removing compound. Use a bore
small arms cleaning brush (WP 0045, item 4).
1 v s 0 2 2
3 8
Figure 20. Barrel Gas Port Cleaning.
11. RIFLE/CARBINE CANNOT BE ZEROED.
Step 1. Inspect for defective or bent barrel assembly (44) (WP 0016).
Replace barrel assembly (WP 0015).
Step 2. (For windage) Determine if barrel assembly (44) is out of alignment with rear sight (39) on
upper receiver.
Align barrel assembly and upper receiver (WP 0015).