TM 9-1005-319-23&P 0021
0021-11
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Figure 15. Inspection for Serial Number.
4. Inspect lower receiver and receiver extension assembly (without further disassembly) for legibility of
serial number. ARMY ONLY: If the serial number is hard to read, see WP 0025 for repair. AIR
FORCE ONLY: If the serial number is hard to read, evacuate to depot maintenance.
See WP 0015 for repair of corroded surfaces.
5. Inspect lower receiver for corrosion in lower receiver lobes of pivot area or hinge pin area. If extensive
corrosion appears in these areas, the receiver cannot be repaired; turn in weapon for replacement.
Lower receiver extensions with shiny or corroded surfaces may be repaired. Lower receiver extensions
with thin walls or holes must be replaced.
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S H I N Y S U R F A C E S
( R E P A R A B L E )
C O R R O D E D W I T H H O L E
( N O N R E P A R A B L E )
S H I N Y S U R F A C E S
( R E P A R A B L E )
C O R R O D E D L O B E S
W E A K E N I N G
P I V O T P I N A R E A
( N O N R E P A R A B L E )
C O R R O D E D A N D N O H O L E S
( R E P A R A B L E )
C O R R O D E D
( R E P A R A B L E )
S H I N Y S U R F A C E S
( R E P A R A B L E )
C O R R O D E D
( R E P A R A B L E )
H O L E S A N D T H I N W A L L
( N O N R E P A R A B L E )
T H I N W A L L S H O L E S
Figure 16. Condemnation Criteria.
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