Kavey GKM-138W: Size, Access and Setup Guide
KaveySafe
The Kavey GKM-138W is an assembled biometric gun safe with fingerprint and PIN entry, emergency keys and adjustable interior storage. If you are comparing it with an unassembled cabinet, start with the space available, the usable interior you need and the amount of assembly you want to do.
This guide explains the current model listing and the questions to check before ordering. It is not an independent security test or a certification claim.
GKM-138W at a glance
- Exterior size: 11.02 inches deep x 11.81 inches wide x 54.33 inches high.
- Entry options: fingerprint and PIN access, with emergency keys for backup entry.
- Interior layout: a removable shelf, rifle racks, a pistol rack and door storage.
- Other listed features: an alarm system, keypad mute mode, an interior LED light and a Type-C emergency power connection.
- Assembly: the cabinet arrives assembled. Placement, lock setup and securing it according to the model's instructions are still required.
View the GKM-138W product, current price and photographs.
Will this gun safe fit the space you have?
Use the exterior dimensions to check the intended position, but do not stop at the footprint. Measure the route from the delivery point to the room, including doorways, turns and any stairs. Leave room for the cabinet door to open and for access to the lock.
The 54.33-inch height is an exterior measurement, not a promise of usable internal height. The shelf, racks and door storage affect the space available. If your decision depends on a particular item's length or width, ask KaveySafe to confirm usable interior clearance for this exact model before ordering.
The "4-5 gun" description is a product capacity label, not a guaranteed fit for every arrangement. Item dimensions, optics and the chosen interior layout can change how much fits.
Fingerprint entry, PIN codes and backup access
The GKM-138W offers fingerprint and PIN entry, rather than requiring you to choose only one access method. Emergency keys provide a separate backup option. A Type-C emergency power connection is also listed for the model.
Follow the supplied instructions for initial setup, power requirements and testing the lock. An emergency power connection is not, by itself, evidence of rechargeable batteries. Confirm the model's requirements if you need that feature.
Assembled or unassembled: which format should you compare?
Choose an assembled format such as the GKM-138W when you want to avoid building the cabinet body from panels. You still need to plan how it will reach its final location and follow the installation instructions.
An unassembled or flat-pack gun cabinet requires assembly before use. It may be worth comparing when your plans favor a panel-based delivery format, but do not assume the package will fit a difficult doorway or staircase. Check the packaged dimensions, handling requirements and assembly instructions for the exact model.
Neither delivery format alone establishes stronger security, a fire rating or a water rating. Those claims need evidence for the particular product, not just a general description of the cabinet type.
- Compare the gun safe collection.
- Browse unassembled gun cabinets.
- Compare model sizes and assembly requirements.
Questions to resolve before you order
Does "assembled" mean no setup is needed?
No. It describes the cabinet's delivery format. You still need to place it, set up access and secure it according to the supplied instructions.
Can I use the exterior measurements as internal clearance?
No. Exterior measurements include the cabinet structure. Confirm the usable interior dimensions and the effect of shelves and racks when fit is important.
Is there a verified fire or water rating?
This guide does not claim either rating. Ask for documentation identifying this exact model before relying on any fire, water or independent security certification.
What should I confirm about delivery and returns?
Check the current gun cabinet shipping policy for delivery coverage and estimates, and the return policy for the 90-day return-request terms. Non-quality-related return shipping is agreed with support in advance; do not assume it is free.
Get an answer for your space
Send KaveySafe the GKM-138W product link, your required interior clearance and delivery ZIP code. Ask about package dimensions or installation instructions if access to the intended room is limited.
Contact KaveySafe about this model or return to the GKM-138W product page.
Product details checked against the current KaveySafe GKM-138W listing on October 21, 2026. Refer to the exact model's supplied instructions and current product page for purchase decisions.
Related buying guides
First-week planning and customer context
Plan a dependable first week with an assembled biometric cabinet. An assembled cabinet removes cabinet-body assembly from the job, but a good first week still includes placement, access setup and a realistic storage check. The GKM-138W has a narrow exterior footprint; that makes its actual interior arrangement particularly important. Use the steps below alongside the supplied model instructions, not as a replacement for them.
The exact product links in this guide
These are independent store listings. Measurements below are listed exterior dimensions in inches, in depth x width x height order; they are not usable interior dimensions, package sizes or installation openings.
| Model / listing | Exterior D x W x H | Reference |
|---|---|---|
| GKM-138W | 11.02"D x 11.81"W x 54.33"H | B0HFS5NM6Q |
Build a repeatable access routine
Decide which authorized users need access before configuring the lock. The product listing specifies fingerprint and PIN entry, emergency keys and a Type-C emergency power connection. Follow the supplied instructions for enrollment and testing, and keep recovery items available to authorized users without leaving them inside the locked cabinet. A successful demonstration is the beginning of an access routine, not proof that maintenance can be ignored.

Test the layout with your actual storage list
A removable shelf and several racks give you arrangement choices, but they do not make every combination of stored items fit. List the items and their dimensions, including attached accessories, before settling the shelf position. Check that the door can close without contact and that frequently used storage areas remain reachable. Keep the manufacturer's gun-count description separate from your own confirmed fit.

Inspect the delivery before making it permanent
Check the cabinet, supplied accessories and instructions on arrival. Photograph any delivery damage and contact support before attempting an improvised repair. Choose a location with sufficient access to the door and lock, and follow the exact anchoring instructions for an appropriate supporting surface. If the surface or fixings are uncertain, arrange qualified installation help rather than treating the included screws as universal hardware.
A practical planning scenario
Illustrative planning scenario, not a customer installation: a household wants one organized storage point in a private room. The cabinet location looks suitable when the door is shut, but a nearby chair blocks the opening. Before installation, the household moves the chair, checks the delivery route and confirms the internal shelf arrangement. The lesson is to evaluate the operating space, not only the footprint. No particular room, doorway or stored-item combination is guaranteed to fit.
From an authorized customer review
Patrick Luers described the cabinet as meeting the features wanted and praised the seller's responsiveness. The same review explicitly cautioned that it would not stop a seasoned thief. That limitation matters: a positive ownership report is not a tested burglary rating or a guarantee for another home.
Paraphrased from Patrick Luers on Amazon, 2026-03-03. Verified purchase on Amazon. Selected individual feedback, not an overall rating or a representative sample. Same-model mapping was confirmed by the merchant; the source ASIN was not independently matched. Read the source review.
Your pre-order checklist
- Confirm the full model and the current product page.
- Allow room for the door and for an authorized user to operate the lock.
- Check the delivery and accessory list before installation.
- Follow the manual for placement, anchoring and access setup.
- Keep recovery keys accessible only to authorized users.
- Check shelf and rack clearance with the intended storage layout.
- Record support details without displaying access credentials.
Frequently asked questions
Does assembled mean no setup?
No. It means cabinet-body assembly is not required. Placement, anchoring, lock setup and checking the intended layout remain separate tasks.
Does the Type-C connection replace normal maintenance?
It is listed as an emergency power connection. Follow the model instructions for its correct use and for normal battery care.
Can a customer review establish a security rating?
No. An individual report can describe a buying or setup experience, but it is not a tested rating or a guarantee for another installation.
Compare the current listings
Continue reading: G2Q-145D vs. G2Q-145W: Choosing Your Entry Method | G3Q and G2SQ Gun Cabinets: Plan the Interior First.
Before ordering, check the current shipping coverage and return arrangements. For missing measurements or conflicting listing details, contact KaveySafe with the exact product link.
Sources: the linked KaveySafe product listings and explicitly identified customer feedback, checked October 21, 2026. Product illustrations are distinct from customer photos; planning scenarios are hypothetical. This guide is not an installation manual, an independent product test or a certification of security, fire, water or load performance. Current price and availability remain on each product page.