Rugged and reliable Rifleman Gen 2 scope bases are machined to precise specifications from lightweight, aircraft-grade aluminum for maximum strength and repeatable alignment. This 1-piece base provides a rigid, secure mounting platform. Guaranteed for life, Rifleman Gen 2 bases deliver exceptional value, strength, and performance - exactly what you expect from Leupold. FeaturesSavage 110, Axis, & 10 Options Ship with Adaptable Screw Set to Accomodate 6-48 & 8-40 Screws