Variants of a mold are catalogued separately, so each one has its own sets and minifigs. Check these too if something you expect is missing here.

• 69754c01 Launcher, Plate Special 1 x 2 with Mini Blaster Square with Dark Bluish Grey Trigger [Complete Assembly] this part is a sub-part of it
• 69755 Launcher Trigger, Weapon Gun Trigger this part is a pair of it