Joe: Nobody's addressed the other half of your question ... "high brass" shells. That's a term most often used to suggest a heavier-than-average load with presumably higher pressures. The term is also falling out of favor because there is no longer a real correlation between the height of the brass and the make up or performance of the load. The bottom line is that there are all kinds of "low brass" shells that can quickly beat up a fragile antique gun, and we need to look more carefully into the properties of our ammo choices. The good news for you is that few would describe a typical NID as fragile. TT

"The very acme of duck shooting is a big 10, taking ducks in pass shooting only." - Charles Askins