Hot New Scope The zoom ring has an inner drum with markings” and a fixed inner ring with a window cutout. Only the outer ring and markings will turn when adjusted. The window is always facing the shooter
BSA Optics Sweet 17 Rifle Scope, 6-18X 40, 1″ 30/30 Reticle, Adjustable Parallax, For 17 HMR Rifles, Matte Finish S17-618X40SP