Help a noobie understand critical hits

[sir_pudding]

Originally Posted by Colonel__Klink

I don't want *instant* death by gunfire....

Instant death by gunfire is about as likely in GURPS as real life (especially if you use bleeding and the rules from the box on High-Tech p. 162) and generally only when you have a central nervous system hit or a very high caliber high velocity round like an HMG.