Marine Corps Common Skills Handbook (1B)

(2) Lubricate the carrier key (figure 30).
(3) Lightly lube the charging handle and the inner and outer surfaces of the bolt carrier. Generously lube the slide and cam pin
area of the bolt carrier (figure 31).
CAUTION: Use only a light coat of CLP on the firing pin and firing pin recess in the bolt.
e. Lubricate the lower receiver group.
Figure 30
Figure 31
(1) Lightly lube the inside of the lower receiver extension, buffer, and action spring (figure 32).
Figure 32
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