I would have to say American Handgunner also, for the quality if nothing else. The photographer, Ichiro Nagata, is the best in the business. He's also an avid shooter and, by the looks of his pictures, a knife knut too! Massad Ayoob is also one of my favorite writers and I've been reading his stuff since the late 70's (geesh I'm old).
Combat Handguns is a close second because of the types of articles they publish. Their publisher is Harris Publications, that also produces Tactical Knives Magazine.
Petersen's Handguns is usually pretty good. Their long time editor, Jan Libourel, just went over to Gun World and that magazine is improving with each issue. Check it out!
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"May you live in interesting times"
AKTI - A000389