The actual firing sound is a distinct, high-pitched mechanical "shing" or "launch" noise followed by the projectile's whistle as it tracks enemies.
: Used in Metal Slug X , Metal Slug 3 , and Metal Slug 4 . metal_slug_enemy_chaser_sound_effect
When you pick up the Enemy Chaser item, the game's announcer shouts the weapon's name. There are different versions of this clip depending on the game entry: The actual firing sound is a distinct, high-pitched
: Variations appear in later titles like Metal Slug XX and Metal Slug 3D . Metal Slug 3