Every shooter should have at least one great Semi Automatic Rifles For Sale such as an AR-15, AK-47, or a Ruger 10/22. Semi-auto rifles, such as an AR-15, AK-47 or a Ruger 10/22 are great for everything from self-defense to plinking at the range. Cheaper Than Dirt’s giant rifle selection means we’re sure to have your next rifle in stock including new guns from legendary brands like Bushmaster, Remington, Daniel Defense and Springfield. We also carry semi-automatic rifles in a multitude of calibers, like .223 Remington, .308 Winchester, 6.5 Creedmoor and .22 LR. The only hard part is deciding which rifle to add to your collection next!