Take your intellectual value and your economic value elsewhere. And make sure you tell the leadership of your former state why. Maybe they will get the point. Probably not. In any event... it's your choice where to reside.
But nobody makes 7-round mags for the Glock 17, the Beretta 92, the Sig P226, the Ruger P95, or any other major service pistol.
They will. Market forces will prevail. And 1911's will come back into style.