Which of the following weapons in "Counter-Strike: Global Offensive" does not have a right-click function?

According to Counter-Strike: Global Offensive, the weapon XM1014 does not have a right-click function. The XM1014 is a shotgun that can only be operated by holding down the left mouse button to fire a series of shells. Unlike other weapons in the game, it does not possess a secondary fire mode accessible through the right mouse button.