So i received my .22 slug liner in the mail finally! Super excited i put it in and ran straight outside to shoot my new Varmint Knocker and NSA slugs.... whew... that was rough. The NSA slugs were about 3” at 50 yards and the VK slugs were decent at about .75” at 50 yards. But the JSB 18 grain heavies absolutely stole the show at under .5” easily at 50. Tried several velocities, reg pressures, and hammer settings, but nothing seemed to get the accuracy i was expecting... maybe my bar was set a little high, but i felt like i should get at least .5” at 50 yards. Anyone having success that might share some tuning tips on these slugs? I need all the help i can get!!!