Rugged and reliable Rifleman Gen 2 Scope Bases are machined from lightweight, aircraft-grade aluminum for maximum strength and repeatable alignment. Designed for Winchester Model 70 rifles, this 2-piece base provides a secure, precise mounting solution you can depend on. Guaranteed for life, Rifleman Gen 2 bases deliver exceptional value, strength, and performance - exactly what you expect from Leupold. Rugged and reliable Machined to precise specifications from lightweight, aircraft-grade aluminum Designed for Winchester Model 70 rifles Delivers exceptional value, strength, and performance