Rifle shells always, but then I’m a handloader.
Shot shells I do if I’m using one of my 16s. I’ve got a Mec, and 16s are hard to find, and expensive when you do.
But 12s and 20s, no.
7mm


"Preserving the Constitution, fighting off the nibblers and chippers, even nibblers and chippers with good intentions, was once regarded by conservatives as the first duty of the citizen. It still is." � Wesley Pruden