10.5" Blackout shooting results using Hornady brass, Fed Match Small Rifle Primers, Nosler 125 grain Accubond bullet, Win 296 powder. 2.060 OAL, charge range 15.5 - 17.5. I started at 16.0 shot 4 - 5 round groups 16.0,16,5, 17.0 and 17.5 grains. Hot day 92 degrees, 2300 feet elevation, low humidity. Book Max velocity from 16" Pac Nor barrel: 2128
Velocities as follows:
16.0 : 1928, 1800, 1920, 1913, 1909. AVE 1913, ES 29, SD 10
16.5 : 1965, 1948, 1993, 1927, 1949 AVE 1949 ES 66, SD 22
17.0: 1990, 2019, 1993, 1996, 1998 AVE 1998, ES 29, SD 10
17.5: 2061, 2058, 2060, 2060, 2054 AVE 2054 ES 7, SD 2 BEST GROUP
