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MIL-M-45945A
distance of not less than 4 feet with an equivalent weight and
ammunition (see drawing 7273911) . Subsequent machine guns shall
be tested using M172 Dummy Inert Loaded Cartridges every 20
rounds (see Table II) .
TABLE II Functioning
firing
test
schedule.
The trigger shall be intentionally released to stop firing a
least  five  times  during  the  50-round  and  at  least  two  times
during the 20-round interrupted burst firing.
.
Rate of fire shall be measured and recorded on every tenth
machine gun during the continuous burst firing of each barrel
Failure of
using a timer gage conforming to drawing 7273920.
any sample machine gun to meet the cyclic rate of fire
requirement shall be cause for measurement of the cyclic rate
If any
of fire on the other nine machine guns represented.
one of the other nine machine guns fail the cyclic rate
requirement,  the ten machine guns are rejected, and the
contractor shall perform a failure analysis and contact the
If none of the other nine
Procuring Agency for instructions.
machine guns fail the cyclic rate requirement only the
sample machine gun that failed shall be rejected.
4.5.6 Targeting and accuracy firing test.
Each machine gun shall be tested
4.5.6.1  Sight setting.
with both its assigned and spare barrel assembly with biped
assembly with the same sight setting for compliance with the
The ammunitlon and
targeting and accuracy requirements of 3.4.6.
links shall be in accordance with 4.4.4.3.
32

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