Scarce Ammunition is hard to come by for Scarce weapons, and as such they cannot be reloaded – once they run Out of Ammo, they cannot be used again during the battle.
Unstable If the Ammo Symbol is rolled on the Firepower dice when attacking with this weapon, there is a chance the weapon will overheat in addition to needing an Ammo check. Roll a D6. On a 1, 2 or 3, the weapon suffers a catastrophic overload and the attacker is taken Out of Action. The attack is still resolved against the target.