The Ruger Mini 14 has a breech block locking system and a fixed gas positioned operating system. This reliable system is great for bad weather and the longevity of the rifle. Being chambered in 5.56 this rifle is great for having fun at the range, home defense or for hunting varmint. There are also a fair amount of aftermarket parts available for the Ruger Mini 14 series. This Ruger Mini 14 is the tactical variant with an ATI 6 position buttstock, large finger grooved pistol grip, and picatinny sections on all four sides.