Preset install sound

lua/weapons/arc9_base/cl_customize_presets.lua

@@ -78,6 +78,7 @@ function SWEP:CreateHUD_Presets(scroll)
         end
         btn.DoClick = function(self2)
             self:LoadPreset(preset)
+            surface.PlaySound("arc9/preset_install.ogg")
         end
         btn.DoRightClick = function(self2)
             self:DeletePreset(preset)

lua/weapons/arc9_base/cl_presets.lua

@@ -62,7 +62,10 @@ function SWEP:LoadPreset(filename)
 
     for i, k in pairs(self.Attachments) do
         local slottbl = tbl[i]
-        if !slottbl.Installed then continue end
+        if !slottbl.Installed then
+            k.Installed = nil
+            continue
+        end
         self.Attachments[i].Installed = slottbl.Installed
         self.Attachments[i].ToggleNum = slottbl.ToggleNum
         self.Attachments[i].SubAttachments = slottbl.SubAttachments