Ruger Mini Thirty Rifle, Semi-Automatic Rifle, 7.62x39, 18.5 Barrel, Matte Finish, Stainless Steel, Black Synthetic Stock, Adjustable Rear & Blade Front Sight, Includes Picatinny Rail/Scope Rings/2 Mags, 5Rd 05806 Ruger Mini-14 Series Autoloading rifles feature a Simple, rugged, Garand-style action with a breechbolt locking system, fixed-piston gas system and self-cleaning moving gas cylinder. This system provides unparalleled reliability under harsh operating conditions.