[Help] Plasma supressor

¡Hi there!
So this is my first post, let me introduce myself; I work for PainKiller the creator of Project Brutality, my job is search resources for the mod, and one day I found these sprites in the Zandronum forums:

- http://forum.zdoom.org/download/file.php?id=18426
- http://forum.zdoom.org/download/file.php?id=18425
- http://forum.zdoom.org/download/file.php?id=18424 <

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Author: ¨Tomicapo¨

Actually the gun is a combination of the Demon tech rifle, with parts of the Brutal Doom version 20b/18 plasma gun.
And this ones are not finished yet.

The third one is the chosen from the mod. And I really need help from some weapon designer/creator to finish it
[Because I don't know how to create guns]

The things needed here is:
-Create the item for the gun.
-Make a fire animation for the gun. (The secondary fire is the same of the original bd 20b plasma gun)
-Create the dual wield sprites and the recharge animation with the black glooves.

And if you can fix some issues in the gun


Please guys I really need help for this:
¿Can someone help me? Please