The Rifle is the most powerful weapon that can be found in SYABH so far. It has high range and high damage; however, it must be reloaded after every shot.
The rifle-ammo is most likely to be found in houses, and it comes in piles of ten rounds, that take two inventory spaces.
The rifle is not used by any robot, and therefore won't be found in a robot's inventory. It appears to be found more often in bigger houses, like the "robotic arms". Typically, in a whole play through of the game, the player won't find more than one or two rifles in total, likely due to their extreme power.