Originally Posted by smoothshooter

When I used to carry a high-cap auto from time to time, I usually only loaded the spare magazine half-full to lighten my total load. Anything heavier kept pulling my pants down.
Carrying both magazines full did not seem necessary to me, as the likelihood of my needing 30 rounds or more in a self defense shooting situation was pretty remote.
If I ever felt the need to carry the 3 to 5 extra magazines of ammo (and sometimes an extra gun) that some guys do, I either need to move, change my lifestyle, or both.