to Install Drag the Model file you want into program files(x86)/steam/steamapps/common/halflife/valve/models Drag the sound file folder into program files(x86)/steam/steamapps/common/halflife/valve CREDITS: [HAPE_B (Myself) Reanimations, HD/Bshift rig and sounds] [MTB Base model and animations] [Zangetsu_0102 LD/OP4 hand rig and sounds] [CF (Crossfire) M4A1-S model and textures] [Valve models and texture]