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Old 08-21-2016, 07:56 PM   #1
mrjohns
Junior Member
 
Join Date: Aug 2016
Posts: 5
Default TX200 MKlll .22 Chrono

This is the first chance iv'e had to chronograph my TX200 .22. 10 shots averaged 637fps, shooting JSB Exact 15.89. I have a Vortek PG2 Sho tune kit in it. Is this the norm for pellet speed in the TX? I really expected to shoot in the 680-690 fps.
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