Technical data

TM 9-1005-319-23&P 0008
0008-7
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:
3 Quarterly Upper Receiver and
Barrel Assembly
(Handguard
Assemblies)
CAUTION
Do not use screwdriver or
any other tool when
removing handguard
assemblies; use of tools may
damage handguard
assemblies and/or slip.
M16A2 Only
NOTE
Refer to TM 9-1005-319-10
for "buddy system"
procedure for removing
handguard assemblies.
a. Remove and inspect handguard
assemblies (9) internally and
externally for cracks and/or
damage. Cracks are acceptable
providing they do not extend
into the handguard retaining
flange, or adversely affect rifle
operation, operator safety, or
proper retention of handguard
assembly. Discard and replace
handguard assembly if
heatshield is loose enough to
rattle when installed on rifle.
a. Handguard
missing or
unserviceable.
1 v s 0 3 7
9