The Product I received was not what was pictured and also did not fit any AEG. I asked for a replacement and support never sent one and stopped contacting me.
The pistol is ok, but the battery that comes with it is absolutely useless, complete garbage, I let it charge for at least a couple hours and is only held a charge for a few seconds
Came in less than a month and not damaged at all.
[GK Tactical] SIG SauerAirsoft RMR Mount Base W/ Iron Sight Set[For SIG AIR M17 / M18 GBB Series]
I attached it to the M-lOK rail on my rifle and it installed without a problem.
The ending is also good.