Zero demonstrates that with the enough ammo and experience you can accurately provide suppressing fire with a secondary weapon at long range, if you are forced into that situation. This video is not saying that a hand gun should be used as a primary weapon to engage targets at range, but if you are desperate, this video proves that a pistol is not COMPLETELY useless.

Less than 40 rounds were fired to achieve 3 hits on a figure 11 target at 300 meters. The entire shoot was completed in 1 hour and 30 minutes.