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Airsoft Systems ASCU Fire Control System for Ver 2 AEG Gearbox - Gen 3+
[Burst-ASCU-V2G3]
$99.95
by Linda S. Date Added: Sunday 15 June, 2014
Love this unit! It takes some modification to fit but it works fantastic. At first mine would only shoot half a shot then beep twice. I had new gears shimmed so well that they rotated freely, an M170 Devil Jet motor, and installed the unit correctly and had a brand new FLAME 11.1v Lipo. I contacted ASCU and apparently this is a known issue. All you need to do is cut the notches off the black piece on top of the cutoff sensor unit (it is shaped like an L). The notches push the top and bottom portions of the unit together too tightly and cause the unit to "misread" information gained from the cut off sensor. So once you flatten out that piece, it should work.

Pros:
-Easy install (modifications can be done with a file and are simple)
-Very good trigger response
-Makes your AEG sound like a PTW
-Protects your battery, motor, and internal components
-Hair trigger mods are easier
-3rd burst
-Semi Auto only for DMRs
-Limits how fast you can shoot on SEMI so you do not over cycle
-Good wiring, and plenty long
-Durable motor contacts
-No soldering
-No anti-reversal latch means much smoother cycles!

Cons:
-$100 for basic functions
-Very large, which is why the modifications are needed
-Wires are big (I had to modify my buffer tube and drill a larger hole)
-Need to shim your gears well, have a strong battery, have a monster of a motor, and have a good AOE to use this thing effectively and safely

Great internal upgrade. Best I've ever installed. 5 stars.

Rating: 5 of 5 Stars! [5 of 5 Stars!]
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