I've had this gun about 1 year now. Has held up surprisingly well. It is well put together and has a nice balance of heft and mobility. Out of the box mine was only firing 310-320 with 0.25's. Since this was my first reall project gun, I cleaned up the GB which had typical QC for a gun in this price range. Gearset is nice although tappet and cylinder are rather rudimentary. Due to some seal issues, I stuck with these for a while and they held up well. Put in a G&P white and Are 1000 Cylinder set which last about 40-50,000 rounds. My initial big issues were with the hop up. The casting is rough and poorly finished and does not seal well. It also has a proprietary hop bucking. Systema and other hop ups dont seat as well as the lip on the other buckings can cause jams or seal leaks. While the nozzle is a M4 length nozzle, it doesnt taper as much which leads me to believe this may contribute. I ground and polished the assembly and it works much better. Since then, I have installed new internals as well as a MOSFET and it runs about 380-410 with .25's at around 25/sec. I got it when it used to be $290.
Well built for price.
Hefty, but not too much so.
Easy to work on and field strip. With a #10 Torx wrench you can pop and swap the box in the field.
Fits most all after market parts.
Paint held up well. Finally painted it.
Can fit any short type motor although careful wiring out the back is important to avoid compressing the wires with the stock. This will shift the motor forward and bind the pinion gear.
8mm bearings with lips wont fit with re-enforced gears. If the axle cuffs are thick, you cant close the box.
Trigger block burns out with higher voltage batteries. a FET or an extra trigger takes care of that.
Hop up assembly is rough cast as is the gearbox. Bevel gear on mine had a bent axle or the bearing sockets were misaligned.
Gearbox gets gritty quickly due to open bottom design. It is, however, easy to clean through disassembly after spring removal.
Rating: [4 of 5 Stars!]