I'm patiently waiting for my custom 284 Shehane F Class / varminter to arrive. I have easy access to a local well sheltered 100yd range for load development - the 600yard range is normally closed through to October and weather anyway is not normally conductive for load testing in these months at long ranges. With club competition starting in October I only really have access to the local 100yd range. What test method / process would you use to indentify the "load" for competition shooting out to 1000yds if you only had access to a 100yd range?