onebohemian said:Just buy the full size 40 (15 round) mags and luvmy40's kydex sleeves to fill in the gap between the magazine's floor plate and the bottom of your gun's grip. No worries regarding mag springs, etc. then. Here's a link to his product and site: http://www.shop.customcarryconcepts.com/pr...amp;productId=2. They work great for range or carry.