Well I’ve read 308 it’s like eh. lol all other calibers they recommend I don’t shoot. I reload 9,45acp,300blk,556,6.5creed,308,5.7,300norma, 338 lapuaBest? Don't know. I use it in my 6XC.
Best will depend on several variables which only you can account for in your firearms. Our opinions are just that since it's doubtful you have what we shoot. So you'll get a bunch of opinions about which cartridge and bullet combinations shoot best for other people.whats it beat used for?