Another NBCnews.com list of numbers that pretty much speak for themselves:
Annual revenue of gun and ammunition manufacturing industry, with a $1.5 billion profit. (IBIS World)
Annual revenue of gun and ammunition stores, with a $478.4 million profit. (IBIS World)
The number of pistols, revolvers, rifles, shotguns and miscellaneous firearms manufactured in the U.S. in 2013, the latest full year available. That's 4,441,726 pistols, 725,282 revolvers, 3,979,570 rifles, 1,203,072 shotguns, and 495,142 miscellaneous firearms. (ATF)
Percentage of the above guns which were exported. Of those 10.84 million guns, 10,413,880 stay in America. (ATF)
Estimated number of guns in the U.S. (Pew Research Center)
Number of full-time jobs related to the firearm industry, up from 209,750 in 2012. (NSSF)
Estimated overall economic impact of the firearms and ammo industry in the U.S. (NSSF)"