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|  MIL-C-70725A (AR)
ricocheted bullet material or fragments of the target material
shall be cause for rejection. The test shall not be conducted
when the wind velocity is greater than 5 miles per hour in any
direction.
.
4.6.16 Muzzle flash. Using an M16Al and M16A2 Rifle
equipped with M2 training bolts, test in accordance with Appendix
F.
4.6.17 Fouling. The entirety of the fouling test shall be
conducted at ambient (+20C) temperature. A portion of Part a.
of the test may be conducted as part of the Function and Casualty
testing at +20C. The following procedure shall be used:
In each weapon, fire 1000 rounds and record the
cyclic rate of the initial 90 rounds and the final 90 rounds
fired. The firing shall be conducted in accordance with the 500-
round firing schedule in Table Cl of Appendix C, which shall be
repeated twice, with the exception that the weapons shall not be
cleaned or lubricated, between the two 500-round cycles. The
first 500-round cycle for each weapon may be fired as part of the
Function and Casualty firings at +20C. the second 500 rounds
are fired for the purpose of fouling only, the results of which
shall not be used in the Function and Casualty test.
b. After firing the 1000 rounds for Part a. above,
100 rounds (10 - 10 round targets) shall be fired for accuracy in
each of the M16A1 and M16A2 rifles used in Part a. The weapons
shall be secured in rigid test mounts and the target shall be 25
meters from the muzzle of the weapons. The test shall be fired
one shot at a time and in accordance with SCATP-5.56mm, Section
3. The weapons shall not be cleaned prior to this portion of the
test.
4.6.18 Target kill. The test is to be conducted using two
weapon types (M16A1 and M16A2), four target types (polyethylene
"E", polyethylene "F" cardboard "E" and cardboard "F") and two
target supports (M31A1 target mechanism, and any suitable
Government-approved stationary target support). Targets shall be
placed 25 meters from the muzzle of the weapons. Twenty rounds
shall be fired using each possible weapon, target type, target
support combination (for a total of 320 rounds). Cartridges
shall be fired single shot from M16A1 and M16A2 rifles equipped
with M2 training bolts, and secured in a Government-approved test
fixture. Observers should be present down range to determine if
fired projectiles actually strike the targets. If it is deter-
mined that a shot missed the target, a non-penalty replacement
38
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