MIL-PRF-48656B(AR)
4.4.3 Chamber pressure verification. The chamber pressure test shall be conducted in
accordance with SAAMI Technical Committee Manual Vol. IV Shotshell and ANSI/SAAMI Z299.2.
Conditioning for the sample cartridges temperature shall be as follows (unpackaged cartridges) for four
hours minimum:
a. Ambient: 70 ± 10 degrees Fahrenheit
b. Hot: 125 ± 5 degrees Fahrenheit
c. Cold: -20 ± 5 degrees Fahrenheit
4.4.4 Function and casualty verification. Cartridges shall be fired in a ratio of approximately 50
percent 50 percent for each temperature through two unaltered shotguns per Table VII below.
Conditioning for the sample cartridges temperature shall be as follows (unpackaged cartridges) for four
hours minimum:
Type I and Type II cartridges - Ambient, 70 ± 10 degrees Fahrenheit
Type I cartridges - Hot, 125 ± 5 degrees Fahrenheit
Type I cartridges - Cold, -20 ± 5 degrees Fahrenheit
Semi-automatic weapons shall have a total chamber and magazine capacity of five cartridges minimum.
The weapons shall be loaded to capacity and the test performed until the total test sample quantity is
reached.
TABLE VII Function and casualty weapons
Type I
Type II
Manual
2
1
Semi-automatic
2
1
4.4.5 Pattern verification. The pattern test shall be conducted in accordance with SAAMI
Technical Committee Manual Vol. IV Shotshell.
4.4.6 Shot type verification. The shot from each of five cartridges shall be weighed, and the
pellets shall be counted. The number of pellets per pound shall be calculated for each cartridge, and the
average of the pellet counts per pound shall be calculated. The average pellet count shall vary from the
nominal value cited in 3.2.6 by no more than five percent.
4.4.7 Cartridge visual and physical parameters verification. All test cartridges shall be inspected
for the defects listed in Table V. The criteria for grading defects shall be in accordance with MIL-STD-
636.
4.4.8 Ammunition lot numbering verification. Visually verify that an ammunition lot number
has been assigned to each lot of 12 gauge shotshell cartridges in accordance with MIL-STD-1168.
4.4.9 Cartridge identification verification. Visually verify that the cartridge identification
marking is as follows on the case for the appropriate round:
No.00 Buckshot:
CRTG, 12 GAUGE
9 PELLETS
NO. 00 BUCKSHOT
10
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