You might be interested in a blog I stumbled across titled The Writer’s Guide to Weapons.
As you might imagine, it is an attempt to educate professional writers about various weapons. Not only will this keep the author from sounding like an idiot if their work is read by someone in the know, but it also will keep those same educated readers from swearing off the author’s work in the future.
If you are interested in writing for a living, you could certainly do worse.
Cool little site. Thank you for the link.
And if I may, a couple of pieces which may be of interest, one from author William Sanders is a basic, but fun, intro to firearms for writers:
And also author/gun-nut Larry Correia’s advice to writers writing about guns: