Stack-On GCB-18C Steel 18-Gun Convertible Steel Security Cabinet Review


    This is a steel cabinet that is used in housing firearms and other valuables such as hunting weapons from theft at a relatively affordable price. It comes with molded barrel rests that can accommodate long guns and side by side shotguns. It can be found in various capacities and configurations that will efficiently fit your storage needs.

    It can hold eight rifles or shotguns up to 52 inches tall. The cabinet has fasteners that are tamper proof from outside of the cabinet. It is a California approved firearm safety device that does meet the requirements of California Penal Code section 12088 and the regulations that are issued there under.

    Features of the Stack-On GCB-18C Steel 18-Gun Convertible Steel Security Cabinet

    Stack-On GCB-18C Steel 18-Gun Convertible Steel Security Cabinet Review

    Made of steel

    The full-sized Stack-on GCB steel 8-Gun security cabinets are manufactured with well welded, steel box construction, offering more protection to the valuable firearms as steel is firm. This plays a major role in warding off burglars or suspicious individuals who may be interested in spying on your valuables or even possessing them against your wish. Security is a crucial issue to consider for anyone who would wish to protect their valuable assets through the use of a cabinet.

    3-point locking system with double-bitted, key-coded lock

    The unique lock guarantees advanced security of the valuables hence one can be assured of the safety of sensitive items that require decent handling. The locking system secures the door top, bottom, and side. The presence of a unique code assures the owner of the Stack-on GCB-8RTA Steel 8-Gun Ready to Assemble Security Cabinet of maximum privacy and security. The lock is also a great instrument in that it cannot be imitated in any possible way hence eliminating all possible chances of theft of firearms stored in the security cabinet.

    Integrated fitting parts

    Has integrated fitting parts that are fastened together, therefore, making it easy to assemble. These parts are interdependent and work effectively without any fault. They are simple to join and do not require any special skills to deal with thus leading to simplicity during their assembly.

    It weighs 70 pounds, so it is not super easy for a potential thief to carry it off if they want to try and crack it off-site, though is still possible.

    Fascinating exterior and interior

    The exteriors contain an epoxy paint finish with gold accents or chrome, which fits in almost any type of décor, so it is suitable for nearly anyone. This adds to its overall appeal thus it can be installed anywhere in the house; from the bedroom, living rooms to garages.

    It is not Tacky. Thus it fits in with many kinds of settings without looking remarkably out of place. The interior comes with foam padding at the top to protect the long guns from scratches and dings. This plays a crucial role in maintaining the shape of the sensitive weapons.

    3 Year Warranty

    Has a three-year warranty. The manufacturers of this product believe that each of their Stack-on GCB -8RTA steel 8-Gun Ready to Assemble security cabinets is guaranteed to be free from defects in material and artistry.

    This quality is backed up by a 3-year limited warranty which is valid from the exact date of purchase. This assures you of the best deal if you plan on owning a cabinet that will not only suit your needs but also care about your welfare.

    Steel shelf

    Has a steel top shelf that provides additional storage or is removable. The rack itself is not very big, but it gives you an excellent platform to store ammunition without the need for an extra safe. There is an available ammo cabinet that can be bolted onto this one or it can also sit on top.

    It also contains a foam- padded bottom that is significant for minimizing scratches. Therefore, it maintains the shape of the floor on which it is laid on and does not interfere with neatness and tidiness of the room.

    Removable steel shelves

    Comes with removable steel shelves which are capable of holding up to eight rifles/shotguns. It can house firearms of different size as per the specifications of the user. The availability of molded barrel rests allows them to accommodate long guns and side by side guns.

    The security cabinet also has pre-drilled mounting holes at the bottom and back of the gun steel security cabinet. This allows for a more efficient attachment of the cabinet to the floor or wall. It also comes with fastening hardware.

    Stack-On GCB-18C Steel 18-Gun Convertible Steel Security Cabinet – Videos


    • Easy to use and install. Installation may take an hour or less. It is easy to unpack, gather tools and separate hardware and panels.
    • Offers improved security. It has a key lock thus keeps off unwanted persons from accessing the valuable rifles.
    • It is durable.
    • It is affordable. One gets more than what they pay.
    • It is convenient as it can be used for keeping rifles or anything else that will fit safe and secure.
    • Easy and quick to assemble since the instructions are clear and easy to follow. It requires only minimal tools.
    • The parts fit together as well as can be expected and none of them are unusable.


    • It is hard to put together by oneself as the metal bends easily and the nuts are not sturdy enough.
    • It is relatively heavy, and the height is relatively short. Some guns containing optical lenses or even bolt handles may not fit in the cabinet.
    • The bolts are not firm enough and may break when tightened.

    Technical Details

    • Part Number: GCB-18C
    • Item Weight: 47 pounds
    • Shipping Weight: 47 pounds
    • Product Dimensions: 18 x 21 x 55 inches
    • Item model number: GCB-18C-DS
    • Size: Curbside Delivery
    • Color: Black
    • Item Package Quantity: 1
    • Special Features: -1
    • Batteries Included: No
    • Batteries Required: No

    Frequently Asked Questions

    Q: What gauge of steel is the cabinet constructed?A: It has pretty thin walls, not all like a safe, but resembles an office filing cabinet. It is efficient in keeping off burglars. It is 12mm thick. According to the University of Carolina, it is 8 Gauge.

    Q: Does an AR-15 fit well in this cabinet?A: Yes, but the width of an AR15 means you’ll fit less than eight like this cabinet advertises. Honestly, I think the only eight guns that can fit here are probably optic fewer shotguns.A: It fits well with the 30 round magazine if you store it sideways and you cannot put more than 4 AR15 or AK47 with magazines if you take off the magazine you can utilize it as an 8 gun cabinet for either AR15 or AK47.

    Q: l just received my package but it was opened, I’m concerned that parts will be missing. How are parts packaged?A: Three long metal plates

    Final Verdict

    As we have seen, this small, lightweight, bolt-together sheet steel storage cabinet is worth its price. It is relatively easy to assemble and also requires minimal tools. Instructions are well written and easy to understand. It is indeed the most affordable way for anyone who is sensitive on security and privacy issues to keep their firearms safe and is more of a cabinet than a safe but is efficient enough in performing its purpose thus earning the California Department of Justice approval.

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