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...