The standard two piece base for Winchester M70 and medium, 1″ rings set from Leupold provides a solid platform for keeping scopes zeroed even after prolonged use of heavy-recoiling loads under extenuating conditions. They offer maximum access to the bolt handle and breech area for interference-free ejection and servicing. They fit both right and left-handed actions. The front base has a slot accepting dovetailed rings, while the rear base accepts rings with flat undersides, fastened by the base’s wind age-adjustable bolts. Rear base is reversible for extra mounting latitude on long and magnum actions Specifications: – Fits: Winchester Model 70 Bolt Auction Rifles – Base Type: Two Piece – Diameter: 1″ – Size: Medium – Height: . 77″ from top of base to center scope – Mounting System: Twist-Lock front base and bolt-fastened rear – Construction: Machined Steel – Finish: Matte Black