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|  MIL-S-3443G (AR)
e. With the shotgun in simulated hand held support,
the bayonet adaptor shall withstand a load of 300 pounds applied
to the bayonet (or bayonet simulator) at a point 5 1/2 inches
the load shall be applied in two
ahead of the weapon's muzzle.
directions parallel to the bore axis (both inward and outward)
and in four directions perpendicular to the bore (left, right, up
and down).
3.3.2 Heat shield. Type I shotguns shall be equipped with
a heat shield which effectively protects the hand from the hot
barrel during bayonet fighting.
a. The heat shield shall extend from the front of the
shotgun's receiver forward a minimum of 13 inches. The heat
shield shall cover at least the upper 180 degrees of the barrel.
There must be at least 1/16 inch air gap between the barrel and
the heat shield except at support points.
b. Type I shotguns must withstand the functioning
tests (see 3.17.3) and the endurance test (see 3.17.5) "without
loosening or failure of the heat shield.
c. The heat shield shall withstand the rough handling
test (see 3.17.6) without becoming unserviceable or permanently
deformed such that it touches the barrel.
The heat shield must be a separately replaceable
d.
part.
e. The heat shield shall effectively protect the hand
Testing shall be as specified in 4.6.9.
from a hot barrel.
3.4 Type II shotqun. The Type II shotgun (see 1.2) shall
conform to this specification (without bayonet adaptor or heat
Sights shall be the typical bead front sights.
shield).
3.5 Type III shotgun. The Type III shotgun (see 1.2) shall
conform to this specification (without the bayonet adaptor or
heat shield). The barrel shall be fitted with rifle sights.
The Class 1 receiver shall be of the
3.6 Class I receiver.
take-down type which is constructed so that the barrel can be
easily removed from the receiver without the use of tools and
without removing the stock (see 1.2) .
The Class 2 receiver shall be of the
3.7 Class 2 receiver.
solid type which is so constructed that the barrel is not easily
removed from the receiver without the use of tools (see 1.2).
7
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