MIL-PRF-70600B
Table VI. Firing defects
Criteria 1/
Class
Firing Defects
Acceptance Rejection
Critical
1
Bullet in bore
0
1
2
Complete of parial rupture
0
1
3
Detached material (upon firing)
0
1
4
Burn through
0
1
5
Slamfire 2/
0
1
6
Uncontrolled fire 3/
0
1
7
Other critical 4/
0
1
Major
101
Split body or head
1
2
102
Gas leak at body/head interface
1
2
103
Misfire
1
2
104
Detached material (upon extraction)
1
2
Note:
For defects 101, 102, 103, and 104 the cumulative acceptance number shall
not exceed two. If the cumulative firing defects or individual firings
defects exceed the acceptance number, the Function and Casualty test in
Table V shall be performed again with double sample. If the firing defects
for the double sample meets the acceptance numbers for defects 1, 2, 3, 4,
5, 6, 7, 101, 102, 103, and 104, the lot is accepted.
1/ This table shall be applied separately to the results of each weapon type
at each temperature condition.
2/ A slamfire occurs when a round is unintentionally fired by manually
closing the weapon bolt without depressing the trigger of the weapon.
3/ Uncontrolled fire for semi-automatic weapons refers to the firing of two
or more rounds for a single trigger depression when the fault is due to the
ammunition.
4/ Any other defect that is likely to result in hazardous or unsafe conditions.
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