Airsoft Action - January 2021

TECH TALK
UMAREX VFC MEETS JEFFTRON LEVIATHAN
small
dab of
superglue
to keep the
wires from
getting in
the way).
The wiring is
a tad stiff at
first but soon
becomes easier
to manipulate
into
place. I love the
fact Jefftron
have prewired
these, making fitting
so much easier. At this stage we fitted the
trigger and the sector and connected the Leviathan
to a battery and synched it with the app. The beauty
of this system is that all you need to do is connect
via Bluetooth then check the operation of the micro
switches, this also allows to adjust the pull of the
trigger via a tiny grub screw. You can either have it full
travel or down to a hair trigger with less than 1mm of
travel, which I favour on my own builds.
Once we had established these parameters it was
just a case of fitting the remaining parts back in and
closing the gearbox back up, although not before
replacing the piston head and cylinder head O-rings
and inhibiting a little lubrication in strategic places.
Using the Airtech studios gearbox tools (which might
I add are a genius design!) we closed the two halves
up and they slid together effortlessly. Everything was
buttoned up and reassembled and then it was time
for the chronograph and some range testing.
BBS DOWNRANGE
On first chrono it was pushing a .20g BB at an
average of 1.33J/380fps. “Great!” we thought, but
unfortunately, being a full auto and the UK laws
being somewhat less, Marcus had to go back to the
bench and lose a little power from the spring. Good
job it has a quick-change spring, something I believe
every AEG should have and be a standard for airsoft
manufacturers. Spring power dropped, Marcus had it
consistently sitting at 1.07 Joule/340fps. Perfect!
Having thoroughly tested it out now, I can honestly
say
THE 416 IS
working like a dream!
Trigger response is fantastic,
plus, due to the fact we have brought
trigger travel down to within 1mm, follow-up
shots are almost instantaneous and we have turned
this AEG into something that can be made very
personal to the shooter. Every airsofter loves a little
personal touch, for example a choice of scope/optics,
torches, stocks, PEQs and the like, the list is endless
right down to the colour of the gun, so why shouldn’t
we be able to personalise how the thing operates
too?
The Leviathan is one of those new products which
I believe every airsofter should have and I would
like to see manufacturers making a system like this
a standard across the board and do away with the
old-style contact system (which, let’s be fair, although
works it is a bit behind the times!). We are seeing
more and more brands installing this type of electronic
coolness but only on certain models. It should become
as common as a zipper on a jacket or laces on shoes!
Hands down, this is the best upgrade I have fitted,
or used, on an AEG to date! After having put a few
hundred rounds through the 416, the Jefftron hasn’t
shown any abnormal signs, we’ve had no error codes
(another thing I love about the Leviathans is the error
log), everything was operating perfectly. Mosfet
temperature was low, amps were low on both semi
and full auto, motor start up is giving between 40-
45 amps, average semi-auto is 23 amps and average
full-auto is 17 amps. Using a just a 7.6v battery we
have a respectable 13rps, with a reaction time of 63
milliseconds - so it’s pretty fast too!
Overall, we feel that fitting a Jefftron Leviathan will
give you a massive advantage during gameplay, giving
you the edge over your opposition and, on that note, I
can do no more than recommend it fully to you!
For more information, visit www.jefftron.net. AA
“WE ARE SEEING MORE AND MORE BRANDS INSTALLING THIS TYPE OF ELECTRONIC
COOLNESS BUT ONLY ON CERTAIN MODELS. IT SHOULD BECOME AS COMMON AS A
ZIPPER ON A JACKET OR LACES ON SHOES!”
www.airsoftaction.net 63