The bsa sweet.17 sp rifle scope is specifically designed for the.17hmr.Features side parallax adjustment from 10 yds to infinity, fully multicoated lenses, 3 sunshade, fast focus and elevation turret ballistically calibrated for a 17gr and 20gr cartridges.Adj Size: .25 MOAMagnification: 3-12xObjective: 40mmField Of View: 8.30 - 33 ft @ 100 ydsEye Relief: 4"Tube Diameter: 1"Length: 13.30"Weight: 17.10 ozReticle: 30/30 DuplexParallax Adjustment: 10 yds-InfinityExit Pupil Range: 10 yds-InfinityProofs: Fog/Shock/WaterproofOptic Coating: Fully Multi-Coated