The m4dp1x3l_m4_2tone.zip file you have requested: Skins / Weapons / CS: Source Two-Tone Colt M4A1 Skin - 477.63kb is not available. Perhaps try browsing all files for the game Counter-Strike: Source and upload any files you want to share or are missing. This is the only information we could locate:
By request, this skin was done for one of the fans. It turned out well enough to make it into a public release. Custom reflections make this skin look very realistic. Enjoy!