Ruger Mini-14 Ranch Rifle, Semi-Automatic Rifle, 5.56NATO/223Rem, 18.5 Barrel, Blued Finish, Alloy Steel, Hardwood Stock, Adjustable Rear & Blade Front Sight, Includes Picatinny Rail/Scope Rings/2 Mags, 20Rd 05816 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.