Technical data

TM 9-1005-319-23&P 0015

0015-19

1 v s 1 2 4

1 2

1 0

1 9

Figure 25. Installation of Gas Tube.

16. Slide gas tube (12) through barrel nut assembly (19) and then slide forward, inserting gas tube into

hole in base of front sight assembly (10).

1 2

1 0

1 v s 1 2 5

Figure 26. Installation of Spring Pin.

17. Align holes in gas tube (12) and base of front sight assembly (10).

NOTE

To assist in installing spring pin modified nose pliers may be used.

18. Using ball-peen hammer and 5/64-in. diameter drive pin punch, drive spring pin (9) into base of front

sight assembly (10) to secure gas tube (12).