When clearing a semi-automatic handgun, what is the correct procedure? When clearing a semi-automatic handgun, what is the correct procedure? Press the trigger while pointing the gun in a safe direction, then pull the slide rearward and visually inspect the chamber. Rotate the barrel clockwise to disengage the magazine, then pull the slide forward, visually inspecting the chamber. Turn the manual safety to the right, remove the magazine, and visually inspect the chamber. Engage the magazine release, remove the magazine, pull the slide to the rear, lock it in the open position, and physically/visually inspect the chamber