IIRC, the Lee Web page has updated the record about which primers are Alright to employ. They now seem to single out FEDERAL exclusively: All powders exhibit unique "behaviors" .... even in the identical cartridge when bullet weights differ. As such, you may locate a single powder/bullet blend likes a https://danteaefff.ssnblog.com/31139066/federal-large-rifle-match-primers-things-to-know-before-you-buy