PS Magazine - TB 43-PS-739

PS, The Preventative Maintenance Monthly

ISSUE 739

JUNE 2014
PS Magazine - TB 43-PS-739 - Page 22 of 33
40
PS 739
JUN 14
41
PS 739
JUN 14
Dear Half-Mast,
We have several different models of the MK 19 in our unit and we’re not
sure how to list them on our property books. Can you help?
SSG S.L.
•±
MK 19 MOD 3, NSN 1010-01-126-9063, is the basic model
•±
MK 19 MOD 3 with an adjustable sight bracket resulted from
MWO 9-1010–230-50-1. Its NSN is 1010-01-490-9697. The
sight bracket was added to the right side of the receiver.
•±
MK 19 MOD 4, NSN 1010-01-362-6513, was added to the
Army inventory in 2013. It’s used with the armored security
vehicle (ASV). Unit MTOEs have probably not been updated
to include the MOD 4. Property book officers are authorized
to add the MOD 4. The MOD 4’s data plate and item unique
identification (IUID) will be updated when the MK 19 is sent
for overhaul. The MOD 4 does not have its own TM yet.
Order spare parts for it through DLA. They are listed in TM
9-1010-230-23&P.
Dear Editor,
As a TACOM LAR, I’ve run into several instances where an M16A1 front
sight post was installed on an M16A2 rifle.
The sight posts are different and the
difference makes a difference. The A1 post is
round, whereas the A2 post is square. The A1
post has five adjustment notches, whereas the
A2 has four. You can sight with an A1 post on
an A2 rifle, but you won’t be able to use the
corrections when zeroing a target.
All Soldiers should check their M16A2s
and make sure they have a sight post that
is square. If you have the wrong sight post,
get your repairman to install the correct one,
Karl Hayhurst
TACOM LAR
Camp Casey, South Korea
Editor’s note:
Another fne tip, Karl. Thanks For sharing it. Soldiers,
the round sight post is obsolete For all weapons. So iF your M16A1 still
has the round sight post, get it replaced with the square M16A2 post.
What Are
MK 19
Model
Differences?
M16-Series Rifle…
Don’t Lose Sight
Of
Correct
Sight
Tip of
M16A2
sight post
should be
square
hey! wait a
minute! this
sight post
is
round.
mine is
s’posed to
be
square!
what gives?!
Sure thing.
Here’s the
lowdown…
if you’re unsure
which
MK 19
you have, contact your local
TACOM LAR.
Or you can contact TACOM’s
Wayne Waroway at DSN
7
86-
1254, (586) 282-1254, or email:
wayne.d.waroway.civ@mail.mil
Now,
who
am I?
if they
Only knew!
I think
I
can
help
with
that.
739 40-41.indd
1-2
4/29/14
4:43 PM
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