Master Sniper

(Rule)
Description: When making Shooting Attacks withh any weapon that has the Sniper special rule, a model with this special rule adds the Rending (2+) and Shell Shock (1) special rules to the attack. If the weapon used already has the Rending (X) and Shell Shock (X) special rules, they do not stack with those provided by this special rule: use the highest of the two variants for the attack.