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M4CQB
Tokyo Marui SR16
GB Tech M4-M47 quick-detach silencer and rails
GB Tech quick-detach sling swivel
GB Tech flip-up front sight
Tokyo Marui flip-up rear sight
Den Trinity C-Mag drum magazine
Tokyo Marui hi-cap magazines
G&P magazine cinches
PSA red dot reflex sight
Guarder 3-point tactical sling
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I fell in love with this gun even before my first venture
into airsoft, the Beretta M92, had actually arrived. It's an exact copy of
the special edition
designed by the renowned Mr Algin for HK retailer Airsoft Club, commissioned
through tiny UK retailer Airsoft Kit and assembled from off-the-shelf
components by an anonymous Pacific Rim airsoft wholesaler - at a noticeable
saving over the cost of the original custom! If ever a gun was bought for
it's cosmetics, this was it - a little reading was enough to show that the
Tokyo Marui SR16 was an excellent replica to build on, but it was the
look of the bad-ass drum magazine coupled with the monstrous suppressor
and rail attachment system of the front end that really won me over.
The M4 tactical configuration is common among the US
SOCOM special forces, and is designed for close-quarters combat in urban
areas. All the usual lights, lasers, grenade launchers etc can be bolted
onto the front rails, and the holographic reflex sight provides extremely
rapid target acquisition - it projects a bright red dot onto the centre of
the lens, and will be a joy to use if I ever manage to zero it in
properly... I think I need a little packing under the body of the unit as,
probably due to the unusually short range I'm firing at, even when adjusted
all the way I'm still shooting six inches too high! |

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The standard components of the gun bear up Tokyo Marui's
reputation for acceptable quality. The plastic parts are fairly
rigid, the metal of the various catches and levers isn't too cheap
and weedy, and everything fits together adequately well. Faint
praise, perhaps, but somehow the AEGs just don't feel as solid as the gas
guns, and although it's an extremely good replica, somehow something is
lacking...
Unfortunately the third-party add-ons are far less
consistent in quality and design. The GB-Tech components are good, made from
a proper aluminium alloy and extremely solid and tactile, but the PSA sight
is rather plasticy with visible mould lines, one of the Allen bolts used to
attach it to the rail stripped it's head within seconds, and the adjustment
dial wasn't properly secured. Some careful filing and fiddling has helped,
though, and it's not a bad little unit given that it is at the budget
end of the market. In future I'd spend a little more, though, to get
something with a little more quality.
The Den Trinity C-Mag was a complete failure, initially,
refusing to feed any of its 2500 BBs, and instead making horrible grinding
sounds. I opened it up to investigate, and it looked to me as if it just
hadn't been put together very well - a little gate intended to prevent BBs
flowing backwards had been glued in out of position, and was jamming the
flow both ways. Tree, the proprietor of supplier Airsoft Kit, spent
ages carefully filing it down (it was in warranty, of course, so I thought
I'd let someone else take the risk of screwing it up) and finally achieved
acceptable results, but having used it a little I'm starting to question the
whole idea. One has to co-ordinate squeezing the trigger and the magazine
feed switch fairly well to avoid mis-feeding, and it's just not an elegant
solution in comparison to the standard clockwork hi-caps. For acceptable
ease-of-use, especially during skirmishing, I'd definitely want to wire the
magazine feed into the trigger mechanism somehow. It's a bit plasticy, and
rattles when not in use (although a thin lining of foam would help with
that, at the cost of a reduction in capacity) and the mechanism still grinds
and groans annoyingly while it's feeding... I wouldn't buy another one,
definitely. |
 
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The camera exaggerates the slight difference in shades
and colours between the various components - in real life, it just looks
black, shiny in a dull sort of way, and very, very mean. This is a gun with
a clear function, and that function is to destroy everything in it's
vicinity with maximum prejudice - my American friend Dale, owner of a
sizeable collection of real assault rifles, blanched at the sight of
the M4CQB and called it "an aircraft cannon". He has a point... |
 
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The gun's internals are completely standard at this
stage, but the full stock allows a monster 8.4V 3000mAh battery to be used
and this would happily drive a significantly upgraded mechanism. I'm tempted
by a metal body and replacement mechbox, but installation would requires an
extensive transplant and would probably be a tense process for a
first-timer. In the interim, though, the replacement of the suppressor and
RIS has also left me with an unusually short inner barrel for an assault
rifle, and this seems to provide rather less power than I would expect from
a standard SR16. However, I have the gun's original components, and although
the barrel is now rather longer than the gun's fore-end, I will try cutting
it down to fit right through the middle of the suppressor - maximising gas
pressure and, hopefully, therefore muzzle velocity. Watch this space... |
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