If I come home from one of those range trips that I shot all my guns, there is no way I going to clean my magazines after spending 2-3 hours cleaning the guns.
If I have several hours to kill and I just feel like doing some spring cleaning, I'll clean my mags. So...maybe 2 or 3 times a year at MOST!
45acp, 40sw, 9mm, 38spl, 380acp, 22lr
12ga, 5.56, 30-30win
2 Chron. 7:14 Christians must seek His face