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|  MIL-C-70725A (AR)
and the tests with that type weapon shall be refired. If it
cannot be established that the weapon or other equipment is at
fault, then the stoppage shall be charged against the ammunition.
70.2 Misfires. If misfires are encountered at a rate
greater than that allowed by Table IV, the weapons shall be
examined carefully to determine if the cause is attributable to
the gun.In any ballistic acceptance test where a misfire
occurs,a second attempt to fire a primer is not made. It is
mandatory that a period of at least fifteen (15) minutes elapse
after the misfire occurs before the action of the weapon is
opened, whereupon the misfired cartridge is carefully removed in
accordance with existing safety regulations and preserved for
further examination. All handling and examinations of misfired
cartridges shall be conducted with due regard for the hazards
involved. The weapon in which a misfire occurs shall be
thoroughly checked; it shall be disassembled and all component
parts critically scrutinized. Results of such examinations shall
be included on the test report as a matter of information.
Laboratory examination of the misfired
70.2.1 Examination.
cartridges shall be made to determine the specific cause. The
result of the investigation is to be included on the test report.
70.3 Firing defects. Upon completion of firing, all
cartridge cases from the test ammunition shall be carefully
examined for firing defects. If any defect is found, a detailed
check of the equipment shall be made to determine whether the
ammunition or the equipment is at fault. If it is established
that a faulty weapon is responsible for the firing defect, then
the test shall be disregarded, the weapon shall be corrected or
replaced, and the test shall be refired. If it cannot be
established that the weapon or other equipment is at fault, then
the stoppage shall be charged against the ammunition.
80.0 DEFINITIONS
80.1 Misfire. Failure of a round of ammunition to fire
after initiating action is taken. There are two categories of
misfires:
The primer fails to fire when struck by the firing
a.
pin.
b. The propellant does not ignite when the primer
fires normally.
C-7
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