Velocity Variation with Ten Shots at Ambient Temperature
.308 Win 178gr ELD-M Lapua case (reloaded 2x) 43.8gr Varget; CCI BR2; 2.84 COAL
Mean SD shot 1 shot 2 shot  3 shot  4 shot  5 shot  6 shot  7 shot  8 shot  9 shot  10
MagnetoSpeed Sporter chronometer 2672.2 12.5 2654 2660 2683 2694 2669 2678 2685 2669 2666 2664
ProChrono Digital chronometer 2665.2 11.5 2650 2650 2677 2682 2666 2672 2677 2661 2656 2661
Test run 4/1/2020
Ambient 58°F; 60% rel hum  29.73 mm Hg; 140 ft
ProChrono Digital chronometer set at 10 feet from muzzle