The LA5 Laseraim sight was the world’s smallest and most compact handgun laser sight in 1991.  It measures 1.9 inches long with a .75 inch diameter.  The LA5 was designed for use on handguns, shotguns and bows with various mounts and has a range of 300 yards.  It projects a two-inch dot at 100 yards.

SII developed two version of this Surface Mount Circuit board. The first version was round with outside dimension of .500 round, the laser diode was mounted in the center of the circuit board. The second version .400 x .600 slide inside a pin pointer.

Both lasers used a collimated beam lens to focus the laser beam from a flat line to a dot.