How Fast Does A Bullet Travel Mm S?
How Fast Does A Bullet Travel Mm S? Round Caliber Muzzle Velocity (ft/sec) 9mm0.355 in (9.0 mm)1,200 ft/s(820mph) .357 Mag 0.357 in (9.1 mm) 1,500 ft/sec (1022 mph) 10mm 0.400 in (10.17 mm) 1,300 ft/s(885mph) .40 S&W 0.400 in (10.2 mm) 1,200 ft/s(820mph) How fast does the average bullet travel? An average bullet travels at