Originally Posted by rickgman
Gentlemen, GI magazines have what is referred to as "GI feed lips".Sec hey work just fine with ball ammo. However, the GI feed lips give a late release of the cartridge from the magazine relative to magazines with "hybrid feed lips". Most OE magazines have hybrid feed lips since they work much better when using JHP or wadcutter ammo. Just a word to the wise. Rick
I tested my ten with 200 rounds of mixed ammo. consisting of 230gr jhp, 185gr. Swc. And 230gr. Ball. They were right from the paper to my back yard and so far have had zero issues from my colt 1911.