Technical data

TM 9-1005-319-23&P 0019
0019-6
REPAIR OR REPLACEMENT - Continued
7. Inspect rear sight guards for bends; if bent, repair as follows:
NOTE
Ensure that rear sight assembly components are removed from upper receiver.
1 7
2 6
2 6
2 7
1 v s 1 5 6
Figure 6. Straightening Rear Sight Guards.
a. Place carrying handle (27) in a vise using jaw clamps. Tighten vise to firmly hold upper receiver
(17).
b. Using two adjustable wrenches, gradually bend guards (26) to straighten. When bending the
guards, gradually bend beyond the straight point as the guard will partially return when bending
pressure is stopped.
c. After straightening, use a flat file to remove any nicks, kinks, or burrs that remain on the inside of
guards (26).
WARNING
SOLID FILM LUBRICANT
CAUTION
Do not use wire brush on aluminum surfaces.
d. Apply solid film lubricant (WP 0045, item 20) to brightened area for final protective coating.
e. If rear sight guards cannot be straightened utilizing the above procedures, replace the upper
receiver.