I have an F1 mainframe that I use with the old style (V1) Vapor 2500. Fits everything I need for 4 days/nights (September), with just my closed cell foam sleeping pad strapped to the outside on the load shelf. There's not a cubic inch to spare, but it works out very nicely. I really like packing...
For an unusual application, I ended up modifying a small base 308 die with the expander removed. I sized a few hundred mixed head stamp miltary cases with no expander. Not something I would prefer to do, but I had no issues and accuracy was not affected.
I have been getting good information from Rokslide for a few years. I just joined so that I can hopefully help someone with the common Eberlestock F1 Mainframe load lifter issue. The regular length frame without modification is very durable and great for under 40 pounds. It starts to get...