I tested 30 rounds of .45ACP, S&W DK 1911, 5.2gr W231, 230 Berrys bullet, WLP primer, 1.260" COL. I loaded 8 rounds in the mag, shot the bullets, reloaded (no rushing either) and repreated. I've noticed the firsts round was noticably slower than the rest... about 40 ft/s slower than the...