Rng x Each time a friendly operative makes a shooting attack with this weapon, only operatives within x are a valid target. x is the distance after the weapon's Rng, e.g. Rng ⬟. All other rules for selecting a valid target still apply.
Px Each time a friendly operative makes a shooting attack with this weapon, in the Roll Attack Dice step of that shooting attack, if you retain any critical hits, the weapon gains the APx rule for that shooting attack. x is the number after the weapon's P, e.g. P1.