Technical data

TM 9-1005-319-23&P 0021
0021-10
INSPECTION — ACCEPTANCE AND REJECTION CRITERIA
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R I F L E
C A R B I N E
Figure 13. Inspection of Buffer Assembly.
1. Inspect buffer assembly for cracks or damage. The buffer assembly has a hole with pin installed which
protrudes equally on each side approximately 1/32 in. (0.08 cm).
2. If cracked or damaged, replace.
F R E E L E N G T H
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Figure 14. Inspection of Action Spring.
3. Check free length of action spring. RIFLE ONLY: The free length must be between 11 3/4 in. (29.85
cm) minimum and 13 1/2 in. (34.29 cm) maximum. CARBINE ONLY: The free length must be
between 10 1/16 in. (25.56 cm) minimum and 11 1/4 in. (28.58 cm) maximum. If measurements are not
accurate, replace. Do not attempt to adjust the length by stretching the action spring.