Half Life 2 Weapons

I was wondering if someone could remake these weapons, or fix them somehow.
and a link if you know how to fix them: http://www.garrysmod.org/downloads/?a=view&id=78442

i know its a big job to remake sweps ( or maby its not, i have no clue ) but the reason why they need to be redone is because their from the half life 2 leak and they only run on the half life 2 leak. if you try to play them on gmod, the game crashes.
I’ll be making these into sweps for gmod if re-riged or made. ive tryed to convert them to smd files, but it sais model can not be read.
please leave comments and sugestions.