BunnyWorkshop in Hong Kong got a ready custom gun, the BunnyCustom Kochevnik Bullpup AK Gas Blowback Rifle. Based on the GHK AK105 GBB System they equipped it with a TWI Kochevnik Bullpup Kit V2 for GHK AK AK105 GBBR, Maple Leaf CNC Hop Up Chamber, Maple Leaf Crazy Jet Inner barrel, and a Hephaestus CNC Steel Fire Control Parts Set.