Good thing LeeKegan has one to spare. We've showed off his incredible woodworking skills before, but you should still check out this finished product. It's sweet.
"Grandun66 has made several replicas of the Halo series' weapons. He has just finished creating the M6G Personal Defense Weapons System, aka the M6G Magnum Sidearm or the 'Halo 3 Pistol.' The weapon is a perfect copy of the one in Halo 3."
YouTube - M6G For Bungie Halo 3 405th