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|  MIL-B-70511B(AR)
AMENDMENT 2
21 December 1993
SUPERSEDING
AMENDMENT 1
31 July 1993
MILITARY SPECIFICATION
(PRACTICE) M2
BOLT, AUTOMATIC WEAPON:
This Amendment forms a part of MIL-B-70511B(AR), dated 4 January
1993, and is approved for use by U.S. Army Armament, Munitions
and Chemical Command and is available for use by all Departments
and Agencies of the Department of Defense.
PAGE 4
*
3.4.3: Delete in its entirety and substitute the following:
"3.4.3 Cyclic rate of fire. The cyclic rate of fire for 3
rounds of burst firing using a 30 round magazine shall be
within 600 to 950 rounds per minute. The cyclic rate of fire
measurement shall be taken on a three round burst, occurring on
the 6th or 7th trigger pull. Testing shall be as specified in
4.5.3."
*
3.4.4: Delete in its entirety and substitute the following:
"3.4.4 Endurance. The M2 bolt shall be capable of
withstanding the firing of 10,000 rounds of M862 ammunition
with not more than 127 malfunctions attributable to the M2
bolt."
PAGE 6
*
TABLE I, under Performance Tests:
4.3.3.1/4.5.2.1
3.4.2
"Function
10
Delete
4.3.3.3.1/4.5.2
6
3.4.2
and substitute "Function
PAGE 8
4.3.1.1, second line: Delete "shall be 800" and substitute "shall
be 1000".
1 of 4
FSC 1005
AMSC N/A
Approved for public release; distribution is unlimited.
DISTRIBUTION STATEMENT A.
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