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|  MIL-C-85122(AS)
the vertical and horizontal impact patterns on the target. The average dispersion
pattern shall be computed as follows:
where:
Average dispersion pattern in inches.
The longest vertical distance in inches between any 2
impacts from the first group of 10 cartridges fired.
The longest horizontal distance in inches between any
2 impacts from the first group of 10 cartridges fired.
The longest vertical distance in inches between any 2
impacts from the second group of 10 cartridges fired.
The longest horizontal distance in inches between any
2 impacts from the second group of 10 cartridges fired.
All measurements shall be made from the center of the impact holes. The aver-
age dispersion pattern (D) shall be converted to mils as follows:
where:
The average dispersion in mils.
Average dispersion pattern in inches.
The distance in inches from gun muzzle to target.
The average dispersion shall be computed and shall meet the requirements of
3.5.1.4.
4.6.2.5 Function and casualty. One hundred fifty sample cartridges shall be
fired fully automatic at ambient temperature, in the MARK 4 MOD 0 gun pod.
Suitable screens must be located as shown in AD-1324 within 200 feet of the gun
muzzle to detect any metal parts separation or breakup of the projectile assembly
during flight. The requirements of 3.5.1.5 shall be met.
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