Weaver Tactical Scope - 4-20x50 30mm Side Focus with Mil Dot Reticle Powerful 5 times magnification One-piece construction with argon purged tubes to eliminate internal fogging Side focus parallax adjustment with reset-to-zero turrets and first focal plane reticles Features 30mm tubes and Mil Dot reticles Fully multi-coated lenses w/extra hard coating of exterior lenses