SigTalk is a forum community dedicated to SIG Sauer enthusiasts. Come join the discussion about Sig Sauer pistols and rifles, optics, hunting, gunsmithing, styles, reviews, accessories, classifieds, and more!
I hate to ask about this, but I can't figure out how to use the search function. I have heard that a 9 mm barrel will drop right into a 40 Sig. If that is true, can the 40 Sig magazine still be used with 9 mm rounds? The reason I ask is that in California it is illegal to possess a magazine...