The noppans_dark_gravitygun.zip file you have requested: Skins / Weapons / Half-Life 2: Noppans Darkened Gravity Gun Skin (v1.0) - 2.04mb is not available. Perhaps try browsing all files for the game Half-Life 2 and upload any files you want to share or are missing. This is the only information we could locate:
This is a skin for the gravity gun in half life 2 and/or the episodes. It's darkened and has smooth textures. The author likes it more than the original, He hopes you like it as well!