NFA Metal is a firearms and outdoor equipment retailer serving customers from Duncanville. Its online store brings together a broad selection of firearms, ammunition, and related gear, with categories for handguns, rifles, shotguns, black powder firearms, and NFA/Class III products. The handgun range includes models from manufacturers such as Sig Sauer, Smith & Wesson, Taurus, Kel-Tec, and North American Arms, while the ammunition selection features offerings from Sig Sauer and Weatherby in a variety of calibers.

Beyond firearms and ammunition, NFA Metal sells magazines, firearm parts and accessories, holsters and cases, cleaning supplies, safes, optics, scopes, sights, binoculars, knives, and reloading equipment. Its hunting section includes accessories such as calls, decoys, blinds, scents, feeders, and game-processing tools. The store also lists apparel, bags, targets, and safety equipment. Customers can explore featured manufacturers including Heckler & Koch, Colt, FN America, Glock, Daniel Defense, Dead Air, SilencerCo, and SureFire. NFA Metal additionally advertises gunsmithing and custom-build services, providing a destination for firearm purchases, equipment, and related services.