Ultimate Arms Gear Tactical Silver Finish Aluminum Ruger Mini-14 , Mini-30 , AC-556 , And Ranch Rifle Elevated Weaver Picatinny Scope Sight Light Laser Side Rail Mount Easy no gunsmith installation requires no permanent rifle modification Mount replaces the side-plate on the left receiver to add a Weaver Picatinny Standard Accessory Rail for Scope, Red dot, Laser etc. Can be installed removed in just seconds by just turning a knob Provides an elevated mounting platform to allow you to maintain use of your rifle's iron sights