PS Magazine - TB 43-PS-608
PS, The Preventative Maintenance Monthly
ISSUE 608
JULY 2003
Headspace
If the M3P loses
headspace, it will jam
and the bolt and barrel
may be damaged. A
weak barrel locking
spring is the usual cause
for
bad
headspace.
Letting the spring ride
on the barrel when you
turn the barrel weakens
the spring.
Prevent that by hold-
ing the spring up a hair
with a screwdriver as
you screw the barrel in
or out. Once the barrel
is locked in, try to turn
it. If you can turn it at
all,
don't fire! The
spring needs to be
replaced.
PS 608
JULY 03
22
Avenger Missile System…
Cleaning
The M3P is not your rifle—
you don't clean and lube it with
CLP. Instead, clean it with RBC
(rifle bore cleaner) and lube it
with TW-25B, NSN 9150-01-
439-0859. But keep TW-25B
away from the inside of the bar-
rel. It damages the barrel liner.
While you're cleaning, pay
particular attention to the pawl
on the feed cover. Dirt, carbon,
and brass shavings build up
behind the pawl and cause it to
bind. That leads to poor feeding.
Use the small brush in your tool
kit to clean around the pawl. If
the pawl still binds, your repair-
man needs to take the feed cover
apart and clean it.
Straight
shooting
with
the Avenger's
M3P machine
gun requires
your doing
pmcS.
what?!
are
you on spring
break?
Use TW-25B
for lubing
Hold spring up
while turning
barrel
Test by turning barrel
Clean thoroughly
around pawl
you
got it,
big
guy!
…if you
shoot
straight
with my
m3p gun
pm!
I’ll shoot
straight
for you…
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