The sensitivity of the tests at 35 yards and under is too little to measure the variation. In checking 115 and 124 gr bullets loaded both under and over minor power thresholds in 9mm ammunition shot in an M&P 9Pro 5", the difference is only about an inch at 50yd, using different bullets and 100 fps variation. In that sense, you can safely say that getting obsessive about minor variations in MV and bullet weight "does not matter" until you get sufficiently far along the ballistic parabola. Certainly not at usual pistol distances with a hand-held service pistol.

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