J. Kihope shows a third-generation KRISS Vector conversion kit designed for the Action Army AAP-01 airsoft pistol. The demonstration specifically focuses on the integration of the AAP-01 bolt into the Vector’s lower receiver, utilizing gas blowback magazines to achieve a realistic cycling action.

J. Kihope shows the 3D-Printed FPG9 Kit For 3rd Gen G17s/18s GBB Pistols from Tokyo Marui and WE Airsoft. Further mods are required in order to fit the kit properly...

J. Kihope does an assembly of the IAP 3D-Printed AK-200 Conversion Kit that will turn a compatible AK-47 to look like an AK-200, which is the earlier version of what became to be the AK-12 rifle. If you want to do it, you can purchase and download the 3D files that you can use, provided that you have access to a 3D printer.