Manual

nism, repeat Operation 3, after closing the gas
regulator by one click.
Operation 5.
If necessary, repeat Operation 4
until 5 consecutive shots result in the holding
open device holding the mechanism to the rear
5 times.
Operation 6. The gas setting for the rifle is now
determined, but it is always advisable to allow
a small reserve of “working” gas by reducing
the gas escape by two additional clicks.
Note
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If the special spanner (fig. 10) is not available,
adjustment can be made with the point of a
cartridge (fig. 1 I), or even by hand.
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20
Fig. IO
Fig. 1 1
Before leaving the factory, every rifle has been
adjusted for correct gas setting.
In principle, the soldier should not alter the
gas setting; this operation ought to be done
in the presence of the unit armourer, or an
instructor.
In practice, the force with which the spent cor-
tridge case is ejected gives on invaluable indi-