The CZ 75 was introduced in 1975, and it was one of the Czech Republic’s military firearms made in 9mm and based really heavily on the Browning Hi-Power.
A personal survival kit (or PSK, if you like initialisms) is one of those pieces of equipment like fire extinguishers or a can of pepper spray: you probably won't need it, ever, but when you do, you need it bad, and you need it right now.