Home Reviews M79 CAW M79 Wood Effect

CAW M79 Wood Effect

by Arnie

M79/M203 40mm BB launcher
by Mosquito Molds (Craft Apple Works)

(aka Nautilus)
edited by Arnie

Model “Moscart”
M79/M203 40mm BB launcher by Mosquito Molds (Craft Apple Works)
Length: ???mm
Weight: ???g


24 BBs per

Click here to visit the CAW website

Barrel Set for the Moscart Grenade system

review page

Patent Pocket Reviews

“Moscart” M79/M203 40mm BB launcher by Mosquito Molds (Craft
Apple Works)

RRP 4,980 Yen
Construction: Machined Aluminum.

Finally, I got a chance
to try one of these beasts out and all I can really say of them is that
both my First and ANGs grenades are going to be in the bits box within the

About the same size
as ANGs, the grenade boasts the following features:

  • A positive
    spring locked valve, which does not require forcing shut manually in order
    to fill the grenade.

  • A 24
    shot capacity from 6 barrels

  • A fixed
    Hop-up – the grenade being marked with a “this way up” sort
    of thing to ensure the correct fitting.

  • Ready
    cut to fit with the currently available Hop-up barrel kit (though the
    instructions only advise this for engaging foes at greater than 20 metres
    – which is a world away for a device like this anyway).

In use the first real
snag pops up – though hardly a real problem to be honest – with the fact
that the grenade needs to be very carefully handled in re-setting the spring
lock in as it can easily break if opened too far (as the seal sits, using
8 small ball bearings, in a small ridge only a few mm from the main cavity,
one slip and the seal, bearings spring and all can be all over the floor)
– be cautious. However this is, as I say, merely a matter of being careful
and not a real downside as such.

While pushing up on the firing cap with a short rod, slowly unscrew the
bullet to bwtween 1/4 and 1/3 of a turn (no further) until you hear/feel
the bearings lock into place in the top position.

Screw back down the
bullet and test fill (if she leaks not all th bearings have locked into
place so repeat the procedure) – it is very important that you do not over
loosen the bullet as the bearings will pop out at the first chance and a
re buggers to get back into place.

Fill the grenade (HFC134a
only – HFC22 blew the seal straight out and we did not try Green ~_^ – at
about a 45% angle) till full and load BBs (you will need to aacquire a small
rod to tamp them home here).

Load the Grenade with
the legend “UP” facing as it suggests for the HOP to work and
blow em away (on firing the pressure on the bearings will be removed and
the valve will be forced back to launch the BBs).


First thing to note is the grenade is that much larger than the old ANGs
– CAW put this down to a gas reservoir which is about 140% larger than the
ANGs with a bigger gas output. What is also notable (and a combination of
hop and extra gas) is the range. While the BBs are meandering all over the
shop by the end of the run, at 15 metres they are still closely enough grouped
to make engagement very possible and (with a following wind ^_^) 20 meter
engagements are not impossible (with .2 BBs). However, we discovered that
if one intends to be engaging at less than 10 metres, .25 BBs perform best.

I have not tried it
out with the First Hop Barrel setup, but I am in no hurry to do that either,
The grenade gives me more than enough range as it is and the hop set up
would only reduce the spread as I never field the M203 or the M79 outside
of CQB or if I am expecting the main engagements to be over 10meters.

In truth, with this CAW job, all other BB firing grenades have been
made irrelevant (IMHO)(The ANGs is too crude and expensive and the
First Job is too weak) and the general quality of the device, when
added to the impressive price of 4,980 yen……..well!


(Loading is a little fiddly, but once you are used to it…..)

for money

(Cheap as chips and twice as tasty)


(Hop barrel set up only, but you don’t
really expect much from things like this anyway)


(Well machined)


(but I am a confirmed
member of “M79 Club” – Nice! – so don’t take my word
for this.)




on this review in the forums

Last modified:
Wednesday, May 9, 2001 9:37 AM copyright 2001 ArniesAirsoft

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