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|  MIL-P-71012A(AR)
disassembled as necessary to facilitate rear sight adjustment.
However, the receiver must remain in the fixture and not parts may
be replaced. One eight-shot target shall be fired for record
using M882 ammunition. The point of aim shall be the center of
the targert. The target shall then be checked to determine whether
the accuracy and dispersion requirements have been met. At the
contractor's option and expense, a pistol which fails the accuracy
or the dispersion requirement initially may be refired, one
additional eight-shot target using M882 ammunition. The refiring
shall be accomplished using a government approved fixture to
sixulate hand-held firing. If initial firing Was done using a
fixture, no pistol adjustment in the fixture is allowed prior to
the retest. If the pistol meets the accuracy and dispersion
requirements in the retest, the pistol will be considered to have
passed.
4.6.6
Interchange
of
parts
4.6.6.1 Pistols. Pistols shall be tested for interchange of
parts as defined by 3.4.6. All parts of the same kind shall be
placed together in individual containers. The pistols shall then
be reassembled using parts selected at random from each container.
Any commercial parts such as screws, spring pins, etc., rendered
unserviceable by disassembly shall be replaced without penalty to
the interchangeability test. The pistols shall be-tested for and
shall comply with the requirements for headspace, trigger pull,
functioning and accuracy and dispersion before and after
interchange of parts using the test methods specified In 4.6.1,
4.6.2, 4.6.4, and 4.6.5 respectively
4.6.6.2 Repair parts. Repair parts shall be tested for
interchangeability requirement by disassembling five pistols
previously tested per 4.6.6.1, as necessary, and then reassembling
them using the repair parts. No refinement of the parts will be
allowed. This test may be performed independently of the pistol
interchangeability test specified in 4.6.6.l provided the pistols
used for this test have met all the requirements of this
specification. The five reassembled pistols (containing the
repair parts) shall operate and function properly after the
interchange of parts and shall be tested for, and comply with, the
requirements stated in 4.6.6.1 except that only the dispersion
requirement (3.4.5.2) is assessed in the accuracy and dispersion
test.
4.6.7 Reliability.
4.6.7.1 Firing procedures. Pistols shall be tested for
reliability requirement by firing 5,000 rounds of M882 ammunition
in each pistol. Firing shall be-accomplished with the pistol
hand-held. Firing shall be in series of approximately 500 rounds
using fully loaded magazines whenever possible. The first series
shall be fired slowly (each shot being deliberately spaced at
approximately 2 second intervals); and the remaining series shall
be fired slowly or in rapid succession at the discretion of the
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