Original sentence: The gunner has a single piece hatch that opens forwards on the left side of the turret roof, a dual mode (day/night) 1PN22M1 6x/6.7x magnification image intensifying monocular periscope sight in front of the hatch, four day periscope vision blocks, an optical rangefinder and a OU-3GK  removable infrared or white-light searchlight on top of the turret on the right of the hatch which is connected to the main gun.The gunner's station is located inside and under the turret, on the left of the main gun
Edited sentence: The gunner has a dual mode (day/night) 1PN22M1 6x/6.7x magnification image intensifying monocular periscope sight, four day periscope vision blocks, an optical rangefinder and a OU-3GK  removable infrared or white-light searchlight.The gunner's station is located to the left of the main gun