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|  MIL-R-63997B(AR)
This test shall be
4.7.6 Targeting and accuracy test.
performed simultaneously with the semi-automatic firing of the
function firing test (see 4.7.5.3.3) and in accordance with
A Government approved firing
individual rifle test of TABLE III.
stand simulating shoulder firing, and targets in accordance with
The ammunition used in this test shall be
Figure 1 shall be used.
as specified in 3.4.6.
The front and rear sights
4.7.6.1 Preparation for firing.
shall be set as specified in 3.4.6.
Except for rounds fired during
4.7.6.1.1 Warm-up shots.
function testing, firing of not more than three (3) warm-up shots
off the test target shall be allowed before the rifles are tested
for targeting and accuracy.
4 . 7 . 6 . 2 F i r i n q procedure.
The selector lever shall be set on
"SEMI" and the firing sights shall be aligned on the point of aim
Ten rounds shall be fired.
The target
specified in Figure 1.
shall then be checked to determine that the targeting and accuracy
Targets with
requirements have been met (see 3.4.6 and Figure 1).
evidence of a flyer (see 6.5.2) or keyholing (see 6.5.3) shall be
cause for the contractor to repeat the test by firing a ten round
complement.
4.7.6.2.1 Sight setting. The optimum sight setting obtained
during the targeting and accuracy test shall be maintained on
accepted rifles being prepared for shipment.
The following data shall be
Recording
data.
4.7.6.2.2
recorded:
Number of rifles tested and number of rifles
a.
rejected per shift.
Test date.
b.
Ammunition lot number.
c.
Extreme spread of shot group.
d.
Reason for retest (flyer and keyholing).
e.
For each rifle that fails, record the following:
f.
1.
Serial number.
2.
Type of malfunction or failure (see 6.5).
Type of magazine (30 round magazine).
3.
Rifles rejected for failure to meet
4.7.6.3 Rejected rifles.
the targeting and accuracy requirements shall be corrected by the
contractor and the corrective action shall be recorded.
Corrected rifles shall be retested by
4.7.6.3.1 Retest.
The targets
firing a ten round complement at each of two targets.
shall be checked to determine that both targets meet the targeting
The rate of fire will be at the
and accuracy requirements.
contractor's option.
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