Running a JBM Trajectory Calculation on the 123 grain SST:
@2400 FPS it drops below a 2000 FPS expansion threshold at 250 yds.
@2450 FPS it drops below a 2000 FPS expansion threshold at 275 yds.
Here you can run simulations yourself:
http://www.jbmballistics.com/cgi-bin/jbm...mp-5.1.cgi
@2400 FPS it drops below a 2000 FPS expansion threshold at 250 yds.
@2450 FPS it drops below a 2000 FPS expansion threshold at 275 yds.
Here you can run simulations yourself:
http://www.jbmballistics.com/cgi-bin/jbm...mp-5.1.cgi

