for years now my buddies and myself have done all our handloading for load developement at the range.
We have used all powders in all forms, ball, flake, short and long extruded etc, except Accurate Arms which is unavailable in the UK and have seen no adverse affects in terms pressure curves.
Chronographing has proved carefull handloading techniques with low deviations and spreads.
We do however, have a dedicated re-loading room behind the firing points on our range set up for the Benchrest boys.
"I meant to shoot the pike but the duck got in the way"