Genocyber is a five-part cyberpunk OVA anime based on the manga of the same name. The series was notorious for its extreme graphic violence.
The following guns were used in the anime Genocyber
In the second episode, the attack helicopters are armed with what look like Soviet Yakushev-Borzov Yak-B guns.
First Model" CZ 75
Officers on the United States Navy aircraft carrier in the third episode are armed with "First Model" CZ 75 pistols. It's strange that United States military personnel are armed with this weapon (which is an extremely rare collector's pistol in the U.S.) when they should be using Beretta M9 pistols.