Re: Stoney Point COL gauge - not so accurate?
Express, I did an experiment using three people measuring the same inert loaded round on the same rifle in consecutive measurements. guess what- three differing lengths by as much as 0.003" as there are differing forces used to seat aginst the lands. Light, medium or hard engraving touchces. In addition, what are your results from checking actual bullet lengths? Did you uniform the lengths to one standard? Delta length = delta bc's= delta vertical impacts. If you can find layout blue, dark ink or soemthing to coat the bullets with you can read how wide or how long are the engraving marks then take the average length of say a 10 round sample. Overbore [img]/ubbthreads/images/graemlins/ooo.gif[/img]
Member, Revolutionary War Veterans Association