1in/ 25.4mm Tube, Lightweight and Compact Design for Easy Portability Second Focal Plane BDC Reticule Calibrated at 10x Power for Aiming Points up to 650 Yards1/4 MOA Turret Lock Adjustment Ensure You Won’t Lose Zero by Any Accident6-24x Scope Perfect for .22 LR Rimfire and Varmint Rifles in Varmint Hunting Scenarios