ProMag Picatinny Tactical Scope Rail for Ruger Mini-14 and Mini-30, Black Provides additional flexibility when mounting longer scopes, electronic sights or night vision Fits only Ruger ranch rifles with integral scope bases, all mounting hardware included Attaches directly to the integral bases on the Ranch rifle Quickly attaches to Mini-14 Ranch , Mini-30, 6.8 Ranch rifles Accepts both Weaver-style and Picatinny rings and optics. Red dot, holographic and other sights may be used as well