This has been a topic that has been discussed for a loooong time but here is what Gabe Suarez has to say about it. Those who know of him know about his backround and trainning. Those who don't ..... look him up. But this is his take on it.
Magazine Capacity An Asset In A Gunfight
EDIT: PA Cert Agent... I merged your thread with this existing one that was started earlier today. ~Pa. Patriot