I recall reading about some of Darryl's shooting in the early 2000's before he left this site. I don't recall this particular story (the yardage, at least) but I doubt very much he and friends were using an EDGE.
His [albeit, old] email/number is listed here:
A search using his name reveals a number of posts from the early 2000's before he left.
Perhaps someone can track him down and get his story. I know they would use sighter shots and adjust accordingly before going for a kill shot, of course.
As I recall he spent alot of time shooting 1000yd contests about the time of this post of his above. If I recall correctly he lived close to or shot alot at the 1000yd range that I believe is still used for championship 1000yd shooting in the US...not sure I described that correctly. I want to say is was the Williamsport Club. Seems like he was a Bruce Baer fan, if I recall.
There is this in the first part of the "Rules and FAQ" section of the site to consider as well:
"This board was created for the expressed purpose of discussing the methods, equipment and techniques of Long Range Hunting without the burden of discussing or debating ethics. Although we all individually have ethics and limitations on what we consider correct, WE DO NOT discuss, nor will we tolerate, discussions of ethics on this site. We are here to learn and share methods, techniques and equipment ideas. This web site and all related or referenced materials and links are solely and strictly for informational purposes. "