1. Woodlanddude

    Temperature swing Re-15 and 175smk .308

    I have chronied my loads using 43.9 gr Re-15, 210 feds and 175 smks at both 60deg and now just below 30deg F. Loads were tested using a Shooting Chrony Beta Master. Is a drop from about 2635fps to 2565 fps a normal drop in velocity for about 35 deg or so for this combination? Would H-4895...