Darn it, I thought I had the Viper zeroed-in...guess not. Turning the adjustment knobs on-the-fly.....finally get the crosshairs centered on shot #5.
Rifle: Gamo Viper, Sights: Barska 3X12-50mm 12X, Pellet: .177 Beeman Kodiak, Distance: 30 Yards,
Position: Bench/Front Bag Rest, Temp: +28C, Sun, Humid, No wind, SCORE: 153/200 2X