Why don't you just add all ten together and move the decimal point to give you the average? Or as easily just chose the mean. The problem I see with "best" measurement is bias. I agree the Hornady method is fine but some what finicky depending on the seating of the device on the back of the...
Yes I prefer this method:
1. clean barrel and chamber.
2. take fired brass and resize and knockout primer. Cut one thin longitudinal cut on one side of brass neck with Dremel.
3. Remove ejector from bolt.
4. lightly coat bullet base with gorilla glue and insert into case. Wipe off excess glue...
I don’t have my rifle yet.
Maybe take measurements before and after sizing of length, length to datum point( headspace), neck diameter, and web diameter. Before you use your die, disassemble and clean with bore solvent and brush .
Good luck.
Beautiful SAW. My experience with SST bullets 117s has be less than stellar in killing quickly on whitetail (25-06). Probably not a factor in 162s.My SAW will be ready by June.
Have you purchased a stock yet. Or is the stock pending your caliber choice? Do you want a short action?
Do you want a detachable magazine and if so what size? What is your weight range and optic for the rig?
All the above will help you decide your caliber.
If its one rifle to rule them all...
Nothing but praises here for the company! It has been prior owned. I hope to order a short and long action Coup de grace. I wonder if the OP can measure the runout before and after chambering a hand load.
you might check out the 7mm SAW results from Clayton at West Texas Ordnance. He uses a modified 7mm08 SRP case. His website includes different powders, 162 and 166? Hornady bullets with significant increase in velocity likely due to thicker brass, small rifle primer and chamber mods...