Discount Mags offers Gun World Magazine Subscription - 1 Year - 12 issues - $19.19. Type in coupon code "J20" to receive 20 % off your order. Gun World Magazine is devoted to shooting, hunting, classic firearms, reloading, gunsmithing, and accessories. Each issue of Gun World includes how-to articles, product and component evaluations, as well as special reports on significant issues. Gun World features regular columns on handguns, collectibles, knives and gun legislation.