MIL-DTL-1318C (AR)
Table VI. Function and casualty firing defect criteria - Continued
DRAWING NUMBER
CARTRIDGE, CALIBER .50,
7672165
TRACER, M17
Classificatio
Criteria
n
Defect Description
First Article
Lot Acceptance
First
Cumulative
Acc
Rej
Sample
Sample
Notes:
1/. No second sample permitted. Lot shall be rejected.
2/. For location of defects indicated by letter in parentheses, see Dwg 7643674.
3/. All stoppages attributable to the ammunition, which the exception of misfire, complete
rupture or failure to extract, observed in all tests shall be included.
4.5 Methods of verification.
4.5.1 Bullet extraction. The cartridge shall be tested in a bullet extraction
machine in accordance with SCATP - 7.62mm Chapter 1, Bullet Extraction Test
Procedure. The rate of travel of the test head shall be not less than 3 or more than 6
inches per minute.
4.5.2 Residual stress (mercurous nitrate). The test shall be conducted in
accordance with SCATP-7.62mm Chapter 1, Mercurous Nitrate Test Procedure.
4.5.3 Waterproof. The test shall be conducted in accordance with SCATP-
7.62mm Chapter 1, Waterproof Test Procedure. The number of bubbles liberated from
the mouth of primer of each cartridge shall be observed.
4.5.4 Accuracy. The test shall be conducted in accordance with SCATP-7.62mm
Chapter 1, Accuracy Test Procedure. The size of the target shall be adjusted to suit the
target range (200 or 600 yards).
4.5.5 Action time. The test shall be conducted simultaneously with velocity and
chamber pressure using the methods and procedures in SCATP - 7.62mm Chapter 1,
Electronic Pressure, Velocity and Action Time (EPVAT).
4.5.6 Velocity. The test shall be conducted in accordance with SCATP - 7.62mm
Chapter 1, Electronic Pressure, Velocity and Action Time (EPVAT). Prior to this test the
cartridges shall be temperature conditioned in accordance with 4.5.12.
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