Technical data

TM 9-1005-319-23&P 0008
0008-15
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:
M16A3/M16A4
and M4/M4A1 Only
j. Inspect back-up iron sight
(BUIS) (25) and mounting
surface (26) of upper receiver
(14) for damage. If BUIS is
missing or cannot be correctly
mounted, repair as authorized.
j. Back-up iron
sight is missing
or damaged or
cannot be
securely
mounted.
1 v s 0 4 2
2 5
2 6
2 5
1 4