A rifle is a type of gun that is longer and has grooves inside the barrel to make the bullet go straighter and farther when it is shot. Full definition
That would be like putting a loaded assault rifle in the hands of a monkey and trusting him to make rational decisions with it. (religion.blogs.cnn.com)
You will probably want to keep a sniper rifle with you at all times, since you can randomly be rewarded with a kill cam of your shots. (illgaming.net)
There is a sequence in the game where you have to fend off a wave of zombies with rifle. (cogconnected.com)