A pocketknife and a pistol are not in the same trademark class — a fact that surprises a lot of people who assume "weapons" is a single filing category. It isn't. Nice Class 13 is narrow and specific: firearms, ammunition, explosives, and fireworks. Bladed weapons, knives, and swords are Class 8, filed as cutlery and hand implements alongside kitchen tools.
Within its actual scope, Class 13 covers rifles, pistols, shotguns, and handguns; ammunition, cartridges, and projectiles; firearm parts and accessories in applicable cases; explosives and explosive preparations; fireworks and pyrotechnic articles; and, in some cases, firearm-specific cases and holsters. A toy or replica gun doesn't belong here at all — airsoft guns, cap guns, and toy firearms are Class 28, keeping regulated products clearly separated from playthings in the register.
A Trademark Doesn't Authorize Manufacture
What makes Class 13 genuinely different from almost every other goods class is the compliance layer sitting on top of it. In the United States, the ATF — the Bureau of Alcohol, Tobacco, Firearms and Explosives — regulates manufacture, sale, and distribution of these products through federal licensing, entirely apart from anything the USPTO does. A trademark registration protects the brand name as intellectual property. It does not authorize you to manufacture or sell a firearm, and conversely, holding a federal firearms license grants no trademark rights at all. The two systems run in parallel and never substitute for each other.
For a firearms company, that means treating trademark clearance as one workstream and regulatory licensing as a completely separate one, run at the same time rather than sequentially. Names like Smith & Wesson, Colt, Remington, and Winchester carry a century or more of continuous brand use precisely because the naming side of the business was handled with the same rigor as the manufacturing side.
Building Out the Brand Beyond Class 13
Firearms companies rarely stay in a single class once the brand has traction. Sporting goods, shooting accessories, and range equipment fall under Class 28 — see our Class 28 guide — while branded apparel, hats, and merchandise land in Class 25 or Class 18 depending on the item, and retail or e-commerce operations need Class 35. A firearms brand's merchandise line is classified by what the merchandise actually is, not carried along under Class 13 by association.
The mistakes worth watching for: filing bladed weapons here when they belong in Class 8, filing toy or replica guns here when Class 28 is correct, filing merchandise under Class 13 instead of its own class, and — the one with real legal consequences — assuming a trademark filing covers any part of regulatory compliance. It doesn't, and no amount of careful classification changes that.
State-Level Restrictions Add a Layer USPTO Filing Doesn't Touch
Beyond the federal ATF licensing layer, firearms and ammunition brands also have to navigate a patchwork of state-level sale and transport restrictions that vary enormously depending on where the company is based and where it ships. None of that state regulatory complexity has anything to do with trademark registration, which is a single federal system that applies uniformly regardless of which states restrict which products — but it's worth flagging precisely because founders new to the category sometimes assume the trademark process will surface or somehow account for state-by-state sales restrictions. It won't. A firearms brand can hold a perfectly valid, nationwide federal trademark registration while still being legally unable to sell certain products into certain states, and the two questions have to be researched and tracked completely separately.
Ammunition Components: A Sub-Category With Its Own Naming Patterns
Ammunition itself splits further than the takeaway list suggests once you look at component parts rather than finished cartridges — bullets, cartridge cases, primers, and propellant/gunpowder can all be sold and trademarked as individual components, particularly to the reloading market, which is a meaningfully different customer base than retail ammunition buyers purchasing finished rounds. Reloading-component brands tend to name around precision and consistency — the qualities a serious reloader actually cares about — rather than the broader brand-heritage positioning that a legacy firearms maker like Winchester or Remington can lean on. A company entering the ammunition space through components rather than finished rounds should expect a differently positioned competitive set and clearance landscape than a company launching a finished-cartridge product line, even though both ultimately file in the same Class 13.
Search registered Class 13 trademarks before you file, and run your regulatory licensing track in parallel rather than waiting on it.