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Continuous heating.
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Cartridge, 5.56mm, Blank, M2001A Performance Specification
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Defect penalty



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MIL-C-70724(AR)
a.  Following the test period, the conditioned cartridges
shall be fired in accordance with the function and casualty
firing schedule for 500 rounds with the cyclic rates recorded
as indicated.  The same firing schedule shall be repeated
with the non-conditioned cartridges in the same weapon.
b.  For each weapon type, record the average cyclic rate
obtained with conditioned cartridges, the average cyclic rate
obtained with cartridges that were not conditioned and their
difference.
c.  The estimated time required to clear all jams and
stoppages shall be recorded for each incident.
d.  The 150 extra cartridges shall be waterproof tested in
accordance with 4.7.3.  The cartridges shall be checked for
compliance with 3.4.3.
4.7.17  Toxic fumes.  Five trials of 30 rounds for the
M16A1, M16A2 and M231 weapons and five trials of 100 rounds for
the M249 machine gun shall be fired in short bursts inside a
2130mm cube container with the muzzle through the side of the
chamber.  Draw air samples continuously from the chamber to
monitor for carbon monoxide, ammonia, nitrogen dioxide and sulfur
dioxide.  Repeat the test with standard M193 cartridges for
reference.
4.7.18  Safety hazard classification.  The test shall be
conducted by the contractor at the facility of his choosing at his
expense.  The Government reserves the right to observe all
testing.  The tests shall be conducted in accordance with TB 700-
2 paragraph 5-3e Single stack test, and 5-3g External fire stack
test utilizing one outer packing unit placed on a wood stand.
4.7.19 Explosive sensitivity.  Upon design submission the
ARDEC Safety Office shall determine which materials utilized in
the cartridge require sensitivity evaluation testing by the
contractor.  The sensitivity tests required shall be as identified
on Table VI.
4.7.20 Test validity.  If, for any reason, the proving
ground considers that the test conditions have detrimentally
affected the test results, the test shall be declared invalid and
a new test shall be performed with additional samples.
39

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