071-030-0007 (SL1) – Perform a Function Check on an MK19 Machine Gun
071-030-0007 (SL1) - Perform a Function Check on an MK19 Machine Gun
Standards: Conducted an operational check of the MK19 machine gun to make sure it was correctly assembled and functioned properly.
Conditions: Given a cleared MK19 machine gun mounted on an M3 tripod
or vehicle carrier.
Conducted an operational check of the MK19
machine gun to make sure it was correctly
assembled and functioned properly.
performing any procedure, make sure
the weapon is clear of ammunition.
1.Check the functioning of the safety switch.
a. With the cover closed,
place safety switch on safe (S).
b. Pull the bolt to rear, push
charger handles to forward position,
and rotate handles up.
c. Press the trigger. Bolt
should not go forward.
d. Place the safety switch on
fire (F) position.
e. Press the trigger. Bolt
should spring forward.
f. Place the safety switch on
safe (S) and leave the bolt in forward
2.Open top cover assembly and inspect the feed tray
assembly and the chamber to ensure the
gun is clear.
a. Open the top cover.
b. Touch the firing pin. If it
is not protruding, recharge and
release the bolt spring under
c. Inspect the bolt face to
make sure it is not worn, dirty,
pitted, corroded, or in need of
not allow the top cover to slam shut
from the raised position. Doing so
could injure your hand or damage the
3.Check the feed slide assembly and feeder.
a. Move the secondary drive
lever back and forth. The feed slide
assembly should move freely.
b. Press the feed pawls to
check for spring pressure.
c. Inspect the link guide for
roughness and galling.
Note. Before closing the
top cover, always make sure that�-
Secondary drive lever is engaged with
the feed slide pin.
Feed slide assembly is to the left.
Bolt is forward.
Note. Never try to force the top cover closed. Doing so could
damage the equipment.
d. Close and latch the top
4.If you find any deficiencies that you cannot
correct, the MK19 is unserviceable.
Report the deficiencies to your
Setup: At the test site, provide the soldier with the equipment
listed in task conditions.
Soldier: Tell soldier to perform a
function check to determine if the MK19
machine gun functions properly.
1.Checked functioning of safety switch.
2.Inspected interior of receiver assembly for missing
or damaged parts.
3.Checked feed slide assembly and feeder.
4.Reported deficiencies to supervisor.
Guidance: Score the soldier GO if all
performance measures are passed. Score the
soldier NO GO if any performance measure is
failed. If the soldier scores NO GO, show
him what was done wrong and how to do it
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