300 Win Mag Vs 300 WSM Ballistics When shooting a 180 grain projectile, the 300 Winchester Magnum has a muzzle velocity of 3,130 feet per second, with 3,917 pound feet of energy. At 100 yards velocity slows to 2,927, with 3,424 pounds of energy. Comparatively, the 300 WSM launches a 180 grain projectile to a […]
