40 yards with the Hatsan 125. Using a loose hold, forend resting atop on my gloved fist. Center hold at 40, with a 20 yards zero. Close enough.
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This thing feels like it's hitting pretty hard. Ballistics table indicate 24 ft-lbs at 20 yards, and 21 ft-lbs at 40 yards.
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At 20 yards the 18.13gr JSB blew through both pieces of ice.
[Linked Image from i.imgur.com]