Composite Gun

 is a gun that fires high-damage bullets. When charged, it will consume two ammo and fire a higher-damage piercing shot. This shot will activate a blank effect when it hits a wall.

Trivia

 * The name and design of this gun are references to the fictional gun from the 1993 movie In the Line of Fire.
 * The Pig as a requirement for synergy refers to the stuffed pig carried by Marvin Boggs in RED, played by John Malkovich. Malkovich also played the assassin in In the Line of Fire who carried the Composite Gun.
 * A composite material is a material made of two or more constituent materials, in such a way that the finished product has different properties from its individual constituents.