the follower assembly, the trigger, and the safety
components that serve to fire or prevent accidental firing
The grenade launcher may be fired from any of the
of the grenade launcher.
following positions: prone, sitting, kneeling, or
standing. For all positions, the firing procedures are as
BARREL AND BARREL LATCH
1. With the grenade launcher loaded, position the
The barrel latch, when depressed, unlocks the barrel
weapon and sight.
so it can be moved forward along the receiver assembly.
2. Move the safety to the fire position.
As the barrel and barrel extension, which is interlocked
with the cocking lever, move forward, the cocking lever
3. Place the butt of the stock firmly against your
is forced downward. The cocking lever, in turn, forces
shoulder. In firing long range from the prone position,
the spring-loaded firing pin rearward. At the same time,
place the butt of the stock firmly on the ground. Take
the spring-loaded follower follows the barrel extension
aim and squeeze the trigger to fire the weapon.
forward. As the barrel continues its forward movement,
the barrel extension disengages from the cocking lever;
the movement of the follower is restricted by the
receiver and the follower holds the cocking lever in the
When firing high-explosive (HE) rounds at
down position. When the barrel is moved rearward, the
targets within leaf sight ranges of 50 to 80
follower is driven rearward; the cocking lever again
meters, you should be in a protected position.
engages the barrel extension, and the firing pin moves
Also, targets within an 80-meter radius of
slightly forward and engages the sear.
unprotected friendly troops should not be
engaged. The danger radius of practice rounds
is 20 meters. In addition, observe precautions
and warnings pertaining to the type of
The barrel stop limits the forward motion of the
barrel assembly. This prevents the barrel assembly from
LEAF SIGHT ZEROING PROCEDURES
sliding off the receiver-assembly barrel track during
loading and cocking operations. When depressed, the
To zero in the grenade launcher leaf sight, you
barrel stop allows the barrel assembly to be removed
should set up a target at 200 meters. Remember not to
from the receiver assembly for maintenance purposes.
perform these procedures at ranges less than 100 meters.
The 50-meter mark on the leaf sight blade is marked in
CLEARING THE GRENADE LAUNCHER
red to emphasize that this range is not to be used in the
Before clearing the launcher, be sure to point the
Be sure to perform the before-firing preventive
muzzle clear of all other personnel within the area. Press
maintenance services and the loading procedures as
the barrel latch and slide the barrel forward until the
specified. Place the leaf sight blade of the weapon in the
barrel stop is engaged. Inspect the chamber for the
upright position. Choose your firing position, preferably
possible presence of a round, expended casing, or other
a supported prone position. Align the target with the
obstruction, and remove it if they are present. Be sure
appropriate range increment of the leaf sight blade and
the barrel, bore, and chamber are wiped dry with a clean
the front post sight of the rifle. Fire the weapon, using
cloth after checking and before firing.
the firing procedures given. Make any applicable
windage or elevation adjustments.
Press the barrel latch and slide the barrel assembly
Turning the sight windage screw clockwise
forward until the barrel stop is engaged. Insert a
moves the leaf sight to the left. Raising the leaf
cartridge into the chamber; slide the barrel-assembly
sight increases the range, and lowering the leaf
sharply rearward until the barrel locks; and then move
sight decreases the range.
the safety rearward.