I'm thinking that once I has the base shape it should be easy to build a few different versions.
I'm a little ill-informed when it comes to blasters. May I ask who used this particular gun?
and finished.
...File can be downloaded for free from here:
https://www.thingiverse.com/thing:2553961
glad you like it. If you find problems or suggestions let me know and I'll try to make the changes.