Technical data

TM 9-1005-319-23&P 0008
0008-9
Table 1. Preventive Maintenance Checks and Services for
M16 Series Rifles and M4 Series Carbines - Continued.
Item
No.
Interval
Man-
Hour
Item To Be
Checked or
Serviced
Procedure
Equipment Not
Ready/Available
If:
4 Quarterly Upper Receiver and
Barrel Assembly
(Serviceability
Check)
WARNING
DRY CLEANING SOLVENT
CAUTION
Damage may occur if
excessive force is used to
release takedown pin or
pivot pin. Use hand
pressure ONLY.
a. Release takedown pins and
open and separate receivers.
Hand check compensator (12)
for looseness on barrel (13);
then hand check barrel for
looseness on upper receiver
(14). Check center slot of
compensator for alignment
(WP 0015).
a. Compensator or
barrel is loose.
1 v s 0 3 9
1 4
1 6
1 7
1 5
1 3
1 2