King Arms puts forward their already long standing relationship with Black Rain Ordnance, expanding the offerings to gas blowbacks that were on display during the Taiwan MOA Exhibition 2022. The King Arms Black Rain Ordnance 9mm GBB is already in the market with the SBR version and followed by the longer carbine edition that is seen in the video. The King Arms crew at the trade fair explain the features of this GBB rifle that can take in magazines from Tokyo Marui, VFC, WE Airsoft and Army Armament.