PS Magazine - MAY 1978
PS, The Preventative Maintenance Monthly
ISSUE 306
MAY 1978
M18A±
Handgu²rD St³N´µR¶s
ast.
so
me
ne
w
O
ear H
alf
-
M
d
t
here
are
ubl
i
s
hed fo
r
R
ve
he
±
t
a
ndards
p
c
a
n yo
u
r
v
;
Cea
b
²
³
t
Y
s
h nd
guards´
se
·fIe
a
M1
6A
1
r
²
e ref
ere
nCe
?
µ
e
me t
h
g¶V
M
ssG
O
¸
·
Dear Sergeant D.M.,
The standards are not so new, but
they will be printed in Table 2-6 of TM
9±1005-249-20 befoRe long. The new
standards are in a world±wide letter
from U.S. Army Armament MaterieL
²eadiness Command (³²SA²±MAG
3 Jun
77).
The Letter stopped repair of
handguards and set uP these standards
fOr re´lacement:
•Cracks up to 1 inch long are µK if
the wea¶on can be operated.
YA gOT tOo MaNy ±ABS
²nD RI³!´µ
MISsiNG/
¶·U ¸·¹º»
gOf
•If 4 or more tabs or 2 adjacent tabs
are missing, replace the handguard.
m±²²±n³ tab²?
•²eplace handguards with 4 rivets
missing or if the heatshield rattles.
c
·
±
²
.
³
Replace ±F r´vetµ Are
¶´²²±n³ or he·t²h´eld r·ttleµ
•Discard unserviceable handguards
(no more turn±in to DS).
20
Ho/-J°t
m·0 B¸¹¹el-C¹¸ck o¹ ºi»G?
(t
SFC G.K.
·'fj,1±tl•²
'1±²
¸H¹
·•!.(l\±1/Lf²i
³}´µ¶¸¹º»¼½¾¿
ÀÁÂÃÄÅÆÇÈÉÊË'Ì
Dear Sergeant G.K·,
Fire away, the barrels are safe!
There is no crack. What you see,¸about
6 inches down the barreL, is a groove
where the tube and a sleeve installed
bY the manufacturer meet. The groove
varies from .020 to .040 inch .
.. and
it's supposed to be there.
h
o -'f[
Dear Hal-Mast,
What's the word on repLacing oLd
styLe barreL Locks on the M60 machine
º»¼¼VE
±n
B½»»EL-
F¾¿e
½w½y
gun with new ones? Is it required?
1=;ÀÁ:ÂÃÄÅÆÇÈÉÊËÌÍÎÏÐÑÒ
SSGJ.D±²³
Dear Sergeant J.D.C.,
There is no DA directive that says
you must have the new stylE lock.
However, as they proved with
aircraft¹mounted M60 models, they're
a big improvement over the old Locks.
They hold that barrel in .
.. and that's a
big plus. If you want 'em get 'em.
They're shown inFigCºº,items2,3,
7
21
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