You might want to check your Errata for Striker, as the numbers for each are simular.Now that I am retired, I have an abundance of time to fill until I drop dead
Not really
Based on pen/dmg given in MT (at best, 80/5), a 250Mw laser can normally only get a low pen result against spaceships and many grav-tanks, and a high-pen only against the bare minimum armor allowed for spaceships.
And zero pen against battleships and many cruisers
the 'high guard' style combat is rough to work with the large-scale combat rules in the Ref companion anyways
Striker
Base Pen for a Beam Laser is 73
Max Armor for Starships is 65
MT
Base Pen for Beam Laser is 70
Max Armor for Starships is 70
And in either the High Guard numbers and not the Vehicles controls damage to Ships.
Also note that High and low Pen is only a MT thing in that in striker the High and Low are both results on the same table.