CentAr 20MOA Canted Scope Base, Savage 10, 12, Target, Stevens, Round Rear, Short Actions Mil-Spec Picatinny (MIL-STD-1913 AR) Optics Mounting Surface CNC Machined from 6061-T6 aircraft aluminum in the U.S.A. 20 Minute of Angle Canted Design Right or Left Eject Compatible Durable Type-2 Mil-Spec Anodized Finish (MIL-A-8625F)