Barnes makes flat nosed 300 gr. X's for the 45/70
to compare the drop and energy at extended ranges let's compare it to a 300 gr. spitzer X
300 gr. X flat nose @ 2200 fps
50 yards ~ 2015 fps, 2705 ft-lbs, +0.3"
75 yards ~ 1930 fps, 2475 ft-lbs, +0.5"
100 yards ~ 1840 fps, 2260 ft-lbs, 0.0"
125 yards ~ 1760 fps, 2060 ft-lbs, -1.1"
150 yards ~ 1680 fps, 1875 ft-lbs, -2.9"
175 yards ~ 1600 fps, 1705 ft-lbs, -5.5"
200 yards ~ 1525 fps, 1550 ft-lbs, -8.9"
225 yards ~ 1455 fps, 1410 ft-lbs, -13.3"
250 yards ~ 1390 fps, 1285 ft-lbs, -18.6"
&
300 gr. X spitzer @ 2200 fps
50 yards ~ 2090 fps, 2905 ft-lbs, +0.2"
75 yards ~ 2035 fps, 2755 ft-lbs, +0.4"
100 yards ~ 1980 fps, 2615 ft-lbs, 0.0"
125 yards ~ 1930 fps, 2475 ft-lbs, -0.9"
150 yards ~ 1875 fps, 2345 ft-lbs, -2.5"
175 yards ~ 1825 fps, 2200 ft-lbs, -4.6"
200 yards ~ 1775 fps, 2100 ft-lbs, -7.4"
225 yards ~ 1725 fps, 1985 ft-lbs, -10.9"
250 yards ~ 1680 fps, 1875 ft-lbs, -15.1"