Yes i can, but u have to figure out allot buy your own. There are building manuels but most of them dont have the full knowlige u need to make the gun fully operable. A littke teaser for the fgc9. The Buildingmanuel tells u that u can make a firingpin with out hardening it. (This is wrong) u need to harden the firingping ,ather whise it bends after one shoot!