While designing the Prm-3, BlasTech cut corners to make it more affordable. This resulted in a substandard weapon with a limited maximum of 3.1 GP. This relatively low damage capability hindered the ships it was installed in, such as the standard model of the Starfeld Z-10 Seeker.
Another disadvantage was that the Prm-3 did not have its own targeting system. It was forced to rely on whatever sensor package installed on the ship.