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Silverback MDR-X

7981 Views 136 Replies 10 Participants Last post by  Leo Greer
Intriguing. Probably over-engineered. I'm pondering how solid it could be as a long-range platform...with an Edgi barrel and Warhead motor.

-CNC aluminium wide bore cylinder/upper gearbox (26mm diameter, +19% compared to a standard AEG), including a spring quick change design.
-CNC aluminium cylinder head, NBR piston damper, stainless steel nozzle.
-CNC aluminium ventilated piston head, FKM o-ring, POM glider ring.
-CNC stainless steel & aluminium spring guide, equipped with a thrust bearing. 3 lugs design ensuring a better axial alignment.
- “Tappet plate-less” construction.
-CNC aluminium piston body, hardened MIM steel 16 teeth rack.
-18:1 torque up gear set, hardened MIM steel.
-ADC 12 aluminium gearbox carter, 10mm ball bearing.
-Designed to operate on 11.1V Li-Po batteries (possibility to operate on 7.4V).
-Electronic Trigger Unit, CPU motor control, gear cycle and fire selector position detection by Hall Effect sensor. 2 mosfets for power, 1 mosfet for active braking.
-Neodymium high-torque motor 19000RPM (11.1V), short axis.
-Silver-plated wiring, Teflon coated.

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Did anyone notice the piston head leave the piston?? Why?

Also, you may have noticed that the air nozzle is part of the cylinder head. So no more tappet plate.
I have a W gun, but I only use it on binary. The short fact that it is extra snappy means it works a treat on binary. I have more control over the ammo I use, and it still suppresses easily enough.

By the way, I wonder how quiet we can make this MDR-X. I am tempted to buy one when it comes out, but I do not like spending big money on AEG's as they are pretty much all the same mechanically. This is different though. I also want to try out the Aes BL 2021 Gearbox.
Would love to get a free or discounted rifle from either ICS or Silverback but I have my doubts whether they would. It would be great to experiment with it though and see what I can do.
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I too have received free stuff to do a review as well and some of the parts have become the most popular parts to get. And a lot of this was due to my reviews. People normally know, if I like something, that it should be good.
I have also been sent proto-type parts as well to assess and advise on improvement. They too have become some of the best parts on the market. So, if ICS or Silverback are watching this, it could be well worth it.
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The AA Hopup down in the left-hand corner.
Action Army Company Customer Review (

I have also had a proto type L96 Hopup from them. Both hopups are exceptional but the best hopup I think on the market is now put out by TTI
TTI Airsoft VSR10 TDC CNC Hop-Up Set | WGC Shop
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The sound in the video was not great. It still has potential. And I love the air nozzle system.
I would most likely take the hand guard off and then shorten the outer barrel. This would make is really short like the Tokyo Marui Hi Cycle Aug.
Though I know some people would hate that look but it is each to their own.
The hand guard can be fixed just by making a 3D printed spacer.
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Wrap some masking tape around the outer barrel until the hand guard fits nicely over it.
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