Thirty-thirty

"What do you know about thirty-thirties?" "Huh, I know lots. My other pop was tellin' me you could git a man with a thirty a whole heap farther than you could with any ole forty-four or them guns. I shot heaps of rabbits with his."

Source: wiktionary

Now that the season has arrived in many parts of the country for the nimrods to load their trusty Thirty-Thirties and go forth in quest of the elusive deer, it seems an appropriate time to say a word about the skilleting of venison — which can be a pretty tough and dry proposition if not properly handled.

Source: wiktionary

“I'll get one of those thirty-thirties out of the rack and slip her into the boat . Maybe we won't use it, and maybe we will . We might meet that Pirate Shark, you know!”

Source: wiktionary