m79 world model

I would like to request a M79 Grenade Launcher World Model. The model should use material paths from:

Sure it has its own world model, but when turned into a hexed weapon, the hold type is bugged.
If you are to correct this problem, please make the hold type format similar to AR2, Crossbow, or Shotgun.
If you are interested in helping me, please leave a message at Elitearmadaiv@yahoo.com