I have been thumbing thru a Cabela's catalog and noticed that a few pistols (my Taurus PT92 included) have after market magazines from Triple K that have a 30 round capacity. Are these any good or are they more prone to jamming. I only have 2, 17 round factory mags, and its a real pain to keep reloading the empty mags while at the range. Factory mags are almost double of these aftermarkets, and the 30 round capacity seems good for the range and in a SHTF situation.