Weaver 4-20 x 50 Tactical 30-mm SF Matte Mil Dot Reset-to-zero, exposed turrets (no caps to lose) Powerful 5 time magnification with 1/10th Mil wind age and elevation adjustments First focal plane Mil Dot reticles; Side Focus parallax Adjustment Waterproof / Shockproof / Fog proof One-piece construction with 30mm tubes