Technical data

TM 9-1005-319-23&P 0019
0019-4
DISASSEMBLY - Continued
2 2
1 3
1 4
2 1
2 0
1 1
1 5
1 6
1 7
1 8
1 9
1 v s 1 5 4
Figure 4. Disassembly of Rear Sight Assembly.
WARNING
To avoid injury to eyes, use care when removing spring-loaded parts.
7. Drive out spring pin (19) using a 3/32 in. punch. Catch helical spring (18) when punch is withdrawn.
8. Rotate elevation index (13) until rear sight base (11) clears upper receiver (17). Catch ball bearing (16)
and helical spring (15) as rear sight base clears.
9. Push elevation index (13) out with thumb using slight rotation motion. Catch ball bearing (21) and
helical spring (20).
10. Use 1/16 in. key wrench to remove index screw (14). Discard index screw. Separate elevation index
(13) from elevation knob (22) by hand.