You only would fire in short bursts in order to conserve ammo and to avoid massive recoil altering your shots. Also you lean into your weapon (assuming the but

You only would fire in short bursts in order to conserve ammo and to avoid massive recoil altering your shots. Also you lean into your weapon (assuming the buttstock is against the shoulder) Edit: I should mention that I have had training with various weapon systems - I have fired the M16, M4 Carbine, M249 SAW, M240, and M27 IAR.