Don't mess about. Use published and tested load data.
https://www.xxl-reloading.com/2016-V...eloading-Guide
Click on the data sheet tab to get full load data for all calibres, but here is .223 rem
Don't mess about. Use published and tested load data.
https://www.xxl-reloading.com/2016-V...eloading-Guide
Click on the data sheet tab to get full load data for all calibres, but here is .223 rem