Right to left enough finger on the trigger" you will shoot "to the left" of the target. "too much finger" will cause you to shoot to the "right of the target". "perfect trigger finger" will cause you to " pull straight back" and shoot dead center!
Beretta Storm A polymer pistol designed and sold by Beretta, it is chambered in S and ACP. The polymer frame has reinforcements for added strength, probably a subtle nod to Glock’s blowing up due to owners shooting hand loaded ammo.