Black Mesa

Black Mesa

Citizen's RPG Reanimation
RPG and MP5 not working properly
When im using the RPG and MP5 reanims a wierd fleash growth appears https://steamhost.cn/steamcommunity_com/sharedfiles/filedetails/?id=3467967903
Its really wierd and makes it hard to aim. Its also reminds me of a overgrown tumor. What is causing this?