Counter-Strike: Source Weapons

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
          • counter-strike source Weapons <-- Addon folder!
            • e.g.
            • lua
            • maps
            • materials
            • models
            • etc

• counter-strike source Weapons/
  • info.txt
  • lua/
    • autorun/
      • base_functions.lua
      • base_manifest.lua
      • client/
        • cstrike_functions.lua
        • cstrike_manifest.lua
        • hud_functions.lua
      • cstrike_ammotypes.lua
    • weapons/
      • css_ak47/
        • shared.lua
      • css_base/
        • cl_init.lua
        • init.lua
        • shared.lua
      • css_deagle/
        • shared.lua
      • css_fiveseven/
        • shared.lua
      • css_galil/
        • shared.lua
      • css_hegrenade/
        • shared.lua
      • css_knife/
        • shared.lua
      • css_m249/
        • shared.lua
      • css_m3/
        • shared.lua
      • css_mac10/
        • shared.lua
      • css_mp5navy/
        • shared.lua
      • css_p228/
        • shared.lua
      • css_p90/
        • shared.lua
      • css_tmp/
        • shared.lua
      • css_ump45/
        • shared.lua
      • css_xm1014/
        • shared.lua
  • materials/
    • VGUI/
      • entities/
        • css_ak47.vmt
        • css_ak47.vtf
        • css_deagle.vmt
        • css_deagle.vtf
        • css_fiveseven.vmt
        • css_fiveseven.vtf
        • css_galil.vmt
        • css_galil.vtf
        • css_hegrenade.vmt
        • css_hegrenade.vtf
        • css_knife.vmt
        • css_knife.vtf
        • css_m249.vmt
        • css_m249.vtf
        • css_m3.vmt
        • css_m3.vtf
        • css_mac10.vmt
        • css_mac10.vtf
        • css_mp5navy.vmt
        • css_mp5navy.vtf
        • css_p228.vmt
        • css_p228.vtf
        • css_p90.vmt
        • css_p90.vtf
        • css_tmp.vmt
        • css_tmp.vtf
        • css_ump45.vmt
        • css_ump45.vtf
        • css_xm1014.vmt
        • css_xm1014.vtf
  • resource/
    • fonts/
      • Cstrike.ttf

francocruz81234, ggaleksandrkaku, Lanttulaatikko, czapus2137, neiltamboy, doctorencoegoric, prop, Code_Purple, windows 7 user, windows 7 user, windows 7 user, oyotep4157.lazzerini, cam, JCTOTGamingz, whotommas, markjonathan1345, sasamatic1306, Dream♫, Righteous_Hammer_Of_God, skidxd123, gustavogabrielrc, jojoafernandez, anamariabiuche, blindclown519poop, bekceyhun, LanleyKerman, VolimHrvatsku, moins2738, Kon4o_XD csgocases_com, xlangame11x, Stel1s, transwer88, bekb8459, NoronShizoid, Баклажанчик0_0, ʳᵃᵍᵍᵉᵗˢ, Altria, GilsonMendesYT, michael, erosasm, noobn393, noobn393, BARDAKCI KING, bhercegovina679, GREN SAUZE, STALKER, MilesDeka, cursed scout, ANTON O.W.N KING, lorenzoXD5566 +1646 others