The Feather USA AT-9 carbine is chambered for the popular 9mm cartridge and uses modified Uzi magazines. The Feather AT9 came to market in the 80's but continued being produced for years afterwards. This AT9 is an 80's version. I also delve into the disassembly of the AT9 carbine.
Are you interested in getting a degree in Firearms Technology? Check out Sonoran Desert Institute: https://sdi.edu/programs/