IF we are limited to 10 rounds, doesn't mean you need to carry smaller, the longer barrel gives better accuracy at longer range. Would you shoot comp with a Glock 26 (small barrel) or Glock 17?
SHTF vs TEOTWAWKI you ask? SHTF, just some crap on the ceiling and walls, TEOTWAWKI end of the world as we know it. Orignally made by 9mm/®™©