This is a remix of the stand made by Moiderizer. Thanks for the starting point!
It fits the Cybergun airsoft CO2 Desert Eagle L6 replica gun.

My changes were:

• made the base plate wider, for better support
• made the part that is inserted in the gun lower, so that it doesn't hit the magazine release button (it was holding the button's spring in tension)
• made a bump on the back side to stop the gun from sliding all the way down
• added a raised portion for writing the model of the gun (inspired by LRDM's design https://www.thingiverse.com/thing:4739156)
• added the real steel gun manufacturer's name on the base plate

I suggest printing it with a brim. On my first attempt one of the corners warped upwards. Just do a better job than I did removing the brim. :)

I've added the Blender file, in case people want to make changes.