Warning

All personnel within 310 meters of impact area must wear a helmet and body armor. All personnel within 20 meters of firing area shall also wear eye protection and single hearing protection. Sleeves shall be rolled down and gloves worn.

Firing will not be conducted from enclosures.

Do not fire high-explosive (HE) ammunition at targets less than 310 meters away during training or 75 meters away during combat. Fragmentation can reach the gunner position at a distance less than 310 meters.

Do not relink or fire ammunition that has been cycled through the weapon.

In case of a runaway gun, never try to break the ammo belt with your hands. Injury could result. Lower one charging handle to prevent the gun from firing.

1. HIGH-EXPLOSIVE (HE) PROJECTILES:

a. Observe all WARNINGS in the front of this manual.

b. Ensure a clear path (i.e., tree, buildings, hills) of fire for at least 310 meters.

c. Use only the ammunition types authorized in this technical manual (WP 0092 00 through 0095 00).

References

TM 9-1010-231-13&P WP 0021 00 WP 0059 00 WP 0069 00

WP 0092 00 through WP 0095 00

TEST FIRING PROCEDURES (ARMY ONLY) - Continued

2. SET UP AND INSPECT EQUIPMENT AS FOLLOWS:

a. Equipment and tools required:

• M3 tripod ground mount

• traverse and elevating (T&E) Mechanism

• ammunition containers (M548 or PA120 containers)

• linked 40 mm ammunition as specified for each test

• six linked dummy rounds

• combination tool (PN 3269494)

• empty case catch bag b. Perform a visual inspection of the assembled gun (including feed throat) for completeness, workmanship, or visible damage that could adversely affect life, function, and reliability. Do not fire if deficiencies are present.

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