Gun Lockers: Steel Storage That Locks, and What It Doesn't Do

A gun storage locker is a steel cabinet with a lock

A gun locker is an upright steel cabinet with a locking door, built to hold long guns, handguns or both. Inside you'll usually find a barrel rest, a shelf or two, and sometimes a door organizer or a separate lockable compartment. It's the simplest form of locked gun storage that still looks like furniture made of steel.

The words get used loosely. "Gun locker", "gun cabinet", "gun storage locker" and "gun safe locker" all appear on similar products, and no rule decides which name goes on which box. On this site, gun cabinets and gun lockers come from the same product type in our data; this page focuses on the locker search intent — people looking for steel storage, often for a garage, a closet or a shared space.

Under the wider gun safes category, the difference is not the name but four things you can check:

• Steel thickness of the body and the door
• The lock and how many points it secures
• Ratings — a UL Residential Security Container (RSC) rating or a fire rating, if any
• Anchoring — whether it can be bolted to a floor or wall

Who a gun locker suits, and who needs a safe instead

A gun locker suits you if the main job is controlled access: keeping firearms locked away from children, visitors, roommates or anyone else who shouldn't handle them, in a home where long, determined attacks are not the main worry. It also suits people who need storage in a space where a heavy safe won't fit or can't be moved in.

A safe is the better tool if:

• You need tested burglary resistance. A UL RSC Level I rating means the container resisted a 5-minute attack by one operator with common hand tools and a small electric drill, according to UL 1037 as reproduced by Intertek. Many lockers carry no such rating, so their resistance has not been independently tested.
• You need fire protection. Lockers are usually not sold as fire-rated. If fire matters, look for a gun safe with a fire rating from a named lab.
• You need to meet a specific state standard. California, for example, publishes a construction standard for gun safes. Read it before you rely on a locker.

Children and access

If children live in or visit the home, a locker only helps when it is closed and locked every time. Keep keys and combinations where a child cannot find or reach them. Storage requirements differ by state; California's official gun safe standard is one example of a state's rules. This page is not legal advice.

What to look for in a gun locker: steel, lock, layout and anchors

Most lockers look alike from across the room. The differences live in the spec sheet.

Steel gauge: lower number, thicker steel

Gauge numbers run backwards: a lower number means thicker steel. The Marketing Department knows most people read "16" as more than "12", and rarely rushes to correct them. Under the federal standard gauge for sheet steel:

• 12-gauge: 0.1094 in
• 14-gauge: 0.0781 in
• 16-gauge: 0.0625 in

Check the body and the door separately. Some listings give one number for the whole cabinet, which leaves you guessing which part it describes. For reference, California's standard for a qualifying gun safe calls for walls of at least 12-gauge steel (or two walls totaling at least 0.100 in) and a door of 7-gauge plate or two layers of 12-gauge steel.

Lock and locking points

• Keyed lock: common on lockers. Simple, no battery. Keep the key away from the locker.
• Keypad: faster, adds a battery and a backup key to manage.
• Locking points: how many places the door engages the frame. A tall door locked at one point can flex at the corners. Look for a three-point or multi-point system on taller lockers.

UL 768 covers mechanical combination locks for safes and vaults; it does not cover electronic locks. If a listing mentions a UL-listed lock, that tells you about the lock, not the cabinet around it.

Interior layout and capacity

Advertised gun counts assume thin, unscoped long guns packed tight. Measure your longest firearm with any optic attached and compare it with the interior height and depth. Check whether the barrel rest is removable and whether the shelf height is adjustable. A handgun locker or a locker with a top compartment helps keep handguns and magazines separate from long guns.

Anchoring: the cheap upgrade

A light steel locker that isn't anchored can be tipped or carried off. Look for pre-drilled holes in the back or floor of the cabinet, and use them. Anchoring to a wall also stops a tall locker from tipping forward when the door is open and the barrels are leaning out. Our guide on anchoring a safe covers concrete, wood and tile.

Where it will live

A locker in a garage or basement faces more temperature swings and damp than one in a bedroom closet. Steel rusts, and so do firearms stored against it. Check whether the interior is lined or carpeted, whether there's room for a dehumidifier rod or desiccant, and whether the floor there takes anchors. Our guide on where to put a gun safe works through garages, closets and basements; most of it applies to lockers too.

How to read the table and narrow it down

Every row is a steel gun locker or cabinet in our data. A dash means no confirmed value, not a missing feature. Read the gauge column with the backwards rule in mind: 12 is thicker than 14.

A practical order for choosing:

1. Height and depth. Will it fit the space, and will your longest firearm fit inside it?
2. Steel gauge. Thicker body and door steel slows prying.
3. Lock type and locking points. Key or keypad, single or multi-point.
4. Ratings. If a row shows a UL RSC or fire rating, check who issued it.
5. Anchoring. Pre-drilled holes or a mounting kit.

If two lockers look identical, the one that lists both body and door gauge in writing is giving you more information. For a side-by-side of what changes when you step up to a safe, read our gun safe vs gun cabinet guide, which also walks through what a UL RSC label does and doesn't cover. If your space is a closet, the closet gun safes page filters by height and depth.

Lock it, anchor it, and keep the key somewhere else

Measure the space and your longest firearm. Pick the thickest steel and the lock that suit how you'll use it. Anchor the locker to the floor or wall with the holes the maker drilled for that purpose. Load it with the barrels resting where the rack puts them, not where they happen to fit. Then move the key off the hook beside it, and check the price.