09-25-2016, 04:10 PM
Dinny Wrote:LRRPF,
Do you think the difference in velocities could be due to his barrel being newer than yours and not broken in? Or perhaps a quality or rifling difference?
Thanks, Dinny
No. That wouldn't matter. He should be seeing at least 2500fps with a 20" with that load, often 2550fps for a 20".
NRA Basic, Pistol, Rifle, Shotgun, RSO
CCW, CQM, DM, Long Range Rifle Instructor
6.5 Grendel Reloading Handbooks & chamber brushes can be found here:
www.AR15buildbox.com
CCW, CQM, DM, Long Range Rifle Instructor
6.5 Grendel Reloading Handbooks & chamber brushes can be found here:
www.AR15buildbox.com