AR-15 Overstock AR-15 Pistols offer the performance of the AR platform in a compact and versatile pistol package. AR-15 Overstock AR-15 pistols come in many options, styles, and calibers. All of our AR-15 pistols are custom built to order enabling us to provide you with the lowest priced AR’s around. You can also buy with confidence knowing all of our AR-15 pistols come with a lifetime warranty!