PS Magazine - TB 43-PS-638

PS, The Preventative Maintenance Monthly

ISSUE 638

JANUARY 2006
PS Magazine - TB 43-PS-638 - Page 13 of 33
Dear Half-Mast,
I found very helpful your layout in PS 615 on what can be mounted on
the different rifles, carbines, and machine guns.
Could you do something
similar on what blank firing
attachments (BFA) to use
for each weapon and why
it's important to use the
correct one?
Richard Scott
Safety Specialist
Ft Carson, CO
PS 638
JAN 06
23
PS 638
JAN 06
22
M16-Series
Rifle,
M4/M4A1
Carbine…
For mounting the M68 on an M16A2, you need a mount, NSN 1240-01-410-7427,
which should be assembled with short machine screws, NSN 5306-01-442-2407. But
for the M4/M4A1 carbine and M16A4 rifle, you also need a spacer, NSN 5365-01-
448-8912, and different machine screws, NSN 5305-01-448-9826. See WP 0019 00-
2 through 0020 00-3 in the M68’s TM 9-1240-413-12&P for more details. The
mount comes with the spacer and both types of screws.
Dear Half-Mast,
How do you mount
the M68 reflex sight
on the M16 rifle and
M4 carbine?
SGT F.S.
Sergeant F.S.,
it depends on what
version of the M16
you have.
NSN 1240-01-410-7427 brings
mount and hardware for M68
Small Arms…
Here are the BFA NSNs for each weapon:
• M16-series rifle, NSN 1005-00-118-6192
• M4/M4A1 carbine, NSN 1005-01-361-8208 (The best
way to tell the difference between the M16 and M4
BFA's is to remember the M16's is red and the M4's is
yellow. The M4’s has a slightly larger hole for bleeding
gas.)
• M249 machine gun, NSN 1005-21-912-8997
• M240 machine gun:
M240B, NSN 1005-01-480-0289
M240 and M240C, NSN 1005-01-148-7437
• M60/M60D machine gun,
• M2 machine gun, NSN 1005-01-091-7510
The MK 19 machine gun has no BFA.
Dear Mr. Scott,
You bet. It's important to use the correct BFA
because the weapon will function better with the
BFA designed specifically for it. You can use the
M16 rifle BFA on the M4 carbine or M249
machine gun and it won't damage the weapon, but
you're more likely to have firing problems.
ehh, I
guess it
doesn’t
matter.
I won’t fire
well with
the
wrong
bfa!!
M4/M4A1 BFA is yellow,
the M16’s is red
hey!
watch
where you
put that!!
does
too
matter!!
gee, does the
yellow
one
go with the
m16 or m4?
638.22-23(C).qxd
12/1/05
4:36 PM
Page 1
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