I am one of the co-editors of Prototype X, an eclectic magazine that publishes science fiction, fantasy, and non-fiction articles on technology . . . anything of merit.
We are interested in non-fiction articles that highlight developments in technology; we are looking for articles or stories treating the development of small arms technology, new products, materials science, tactics, 2nd Amendment issues, CCW legislation, CCW encounters, and so on.
We have a site that describes the magazine and submission policy: