Those were fun times, and reminiscing made me realize that I actually have no access to a place to just plink as an adult. All the ranges I go to forbid anything other than "real" targets — paper, clays,
I suspect the fun that comes from ringing steel targets is a holdover from those youthful plinking adventures. And perhaps those memories are also what made this "bottle" target so appealing.
More and more craft brewers are taking advantage of modern canning techniques these days, so if I did get out to plink, my target variety would certainly go beyond the rusty cans of my youthful adventures.