The last year has been pretty interesting, to say the least. It is hard to accurately interpret the information from the recent gun-buying trend. Normally, popularity is focused on what is selling and what is not. This type of sales information greatly helps the industry adjust and innovate.
It’s known that firearms can serve for a long time after they’re no longer cutting edge. Flintlocks held on long into the percussion era. During the American Civil War, plenty of cavalry units, especially local militias, turned up with single-shot pistols despite Colt’s revolvers having been on the market for a while by then.