09-24-2023, 04:36 PM
i recently built two 6arc uppers. one 16" from sixfive arms and one 12.5" faxon gunner barrel.
my velocities are as follows with hornady 105 bthp black. 16" 2515 fps, 12.5" 2402 fps. the elevation is roughly 3200'
my velocities are as follows with hornady 105 bthp black. 16" 2515 fps, 12.5" 2402 fps. the elevation is roughly 3200'