The 3-9x40mm tasco air rifle scope offers all the versatility and performance you expect in a riflescope, purpose-built for the air gun platform.Dovetail rings with stop pin included.Adj Size: .25 MOAMagnification: 3-9xObjective: 40mm AOField Of View: 40-13 ft @ 100 ydsEye Relief: 3.90"Tube Diameter: 1"Length: 12.50"Weight: 16.30 ozReticle: TruplexParallax Adjustment: 100 ydsParallax Adjustment: 100 ydsOptic Coating: Fully CoatedOptic Coating: Fully Coated