From Kregg Klingman: We have been working on extending the upper range out to 500 yards.  Here are some views of our progress at 450 yards.

Thanks to Robert Platt, Craig Denison, Robert Hensley and Paul Wilcox, for coming out today.  If anyone would like to help in the future, just get in touch with Kregg Klingman 423-914-4257.