The noppans_real_pistol.zip file you have requested: Skins / Weapons / Half-Life 2: Noppans Pistol Weapon Skin - 1.04mb 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 simple skin for the pistol in half life 2. It might look the same as the original but it has more detail, lighter grip and 'new' colors. Enjoy!