Technical data

TM 9-1005-319-23&P 0021
0021-18
ASSEMBLY - Continued
1 v s 1 9 4
7
6
1 1
1 0
9
3 2
8
Figure 26. Installation of Buttstock Assembly (Rifle).
RIFLE ONLY
CAUTION
Do not kink helical spring during assembly.
17. Visually inspect takedown pin (9), takedown pin detent (10), and helical spring (11) before installation.
Install takedown pin with groove toward the rear. Install takedown pin detent and helical spring from
the rear.
18. Install stepped spacer (8) on lower receiver and receiver extension assembly (32) and carefully slide
buttstock assembly (7) into position to compress helical spring (11).
NOTE
Machine screw, if removed, must be discarded and replaced with a new one.
19. Install new machine screw (6) to secure buttstock assembly (7).