flare_gun_fix.zip

This download looks like an addon. You need to extract the downloaded zip and put the addon folder in your Garry's Mod addons folder. You should end up with a directory structure similar to below:

• steamapps
  • common
    • garrysmod
      • garrysmod
        • addons
          • FLARE GUN FIX <-- Addon folder!
            • e.g.
            • lua
            • maps
            • materials
            • models
            • etc

• FLARE GUN FIX/
  • lua/
    • weapons/
      • weapon_flaregun/
        • cl_init.lua
        • init.lua
        • shared.lua
  • materials/
    • models/
      • weapons/
        • V_FlareGun/
          • flaregun_normal.vtf
          • flaregun_sheet.vmt
          • flaregun_sheet.vtf
  • models/
    • weapons/
      • v_flaregun.dx80.vtx
      • v_flaregun.dx90.vtx
      • v_flaregun.mdl
      • v_flaregun.sw.vtx
      • v_flaregun.vvd

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