Just new to reloading and wanted to know how you guys calibrate your scales. Picked up a nicely used Lyman Ohaus D5 from the 1960's in good shape but need to ask if you use a Lyman or RCBS weight set to make sure of the accuracy of your beam scale.
"Firearms stand next in importance to the Constitution itself.... The very atmosphere of firearms everywhere restrains evil interference. When firearms go, all goes, we need them every hour."
G. Washington (Address to 1st Congress)