I got a few minutes to play today, and thought I would post some data/impressions. Shooting .25 JSB Kings and King Heavies. OEM 350 barrel: Kings: 846fps avg, 3.8 SD King Heavies: 804fps avg, 6.1 SD Tishina 450 barrel: Kings: 870fps, 4.1 SD (first round) Kings: 865fps, 4.2 SD (2nd...