Ancestral Weapon Familiarity Feat 1

You gain access to all uncommon weapons with your ancestry trait. You have familiarity with weapons with your ancestry trait and with ancestral weapons. For the purposes of proficiency, you treat any of these that are martial weapons as simple weapons and any that are advanced weapons as martial weapons.
At 5th level, whenever you land a critical hit with one of these weapons, you can add its critical specialization effect.

Option(s): artillery laser, breaching gun, hammer, machine gun, roto laser, stellar cannon