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    Tuning FX Impact M3 Regulator problems

    Been following the comments, especially on regulators and M3 Sniper in .25 caliber. My factory settings based on WIKA gauges were 150 on 1st reg and call it 93 on second, with macro 16 and micro 2.5 with valve at line 4. With JSB 25.39 or Air Arms 25.4 (same pellet?) I get 915 fps and good...
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    JSB Pellet category definitions - help please

    My buddy has had very good results with the Stratons in his Mrod and the 18.13 (also JSB) have worked well for him and seem to handle a light breeze a bit better. In my Mrod the 15.89 JSB Diabolo seem to be best in my basement at 15 yards. I've read enough accounts of experienced gunners that...