How come the Non-Western world failed to keep pace with firearms tech with the West after the 1600s?
They all managed to get Matchlocks with some groups even outdoing Europeans in making quality matchlocks (i.e. Japan, Ottomans, China etc). But then they failed to keep pace with gun tech in the 1700s-early 1800s. These weapons weren't exactly sekrit technology jealously hoarded by Europeans even.