150 Minute Fire Protection
The Magnum 40 carries 150 minute factory fire protection to help shield firearms, documents, and valuables in a house fire.
Family-owned & trusted since 1923
Authorized AMSEC & Liberty Dealer
Magnum gun safe with 2.5 hour fire protection, 1/2 inch locking bars, and premium finish options.
In stock at both Houston showrooms
Delivered and installed pricing is available. Call our Houston team for a quote.
Prefer to talk? Call (713) 522-5555.
Authorized dealer
Manufacturer warranty
White-glove delivery
Free showroom demo
Product overview
Genuine fire and burglary protection, sized for Houston homes and backed by local showroom support.
Want to compare it in person? See current showroom options →
Full specifications
Every detail you need to compare dimensions, construction, locking, capacity, and fire protection.
| Brand | Liberty Safe |
|---|---|
| Model | Magnum 40 |
| Series | Magnum Series |
| Security Level | Level 10 |
| Security Listing | UL RSC |
| Fire Rating | 150 Minute |
| Exterior (H x W x D) | 66.5" x 36.25" x 27.75" |
| Interior (H x W x D) | 61" x 29.5" x 18" |
| Interior Capacity | 18.7 cu ft |
| Weight | 1333 lbs |
| Long-Gun Storage | 33 |
| Locking Bars | 16 |
| Locking Bar Width | 4" |
| Locking Bar Thickness | 1/2" |
| Minimum Doorway Required | 31" |
| Lock Options | Mechanical Lock; Electronic Lock |
| Finish Options | Gray Marble; Burgundy Marble; Black Gloss; Blue Gloss; Champagne 2 Tone; Charcoal 2 Tone; White Gloss |
| Origin | Made in the U.S.A. |
Built to protect
Real construction and genuine protection, backed by Houston Safe & Lock.
The Magnum 40 carries 150 minute factory fire protection to help shield firearms, documents, and valuables in a house fire.
Liberty rates the Magnum 40 at Security Level 10, reflecting its steel gauge, locking bars, and door construction within the Liberty lineup.
Houston Safe & Lock can quote the Magnum 40 with delivery, placement, and installation planning.
Get manufacturer-backed guidance and local service from Houston Safe & Lock before and after the sale.
Compare sizes, interiors, locks, and finishes in person at either Houston showroom before choosing.
Our in-house team can quote delivery, inside placement, setup, and optional bolt-down service.
White-glove delivery & installation
A safe deserves better than a pallet drop in your driveway. Compare big-box freight with our in-house Houston delivery team.
Big online retailers’
“free shipping”
Houston Safe & Lock
White-glove delivery & install
Who shows up
A national freight carrier — lowest bidder, 4-hour window
Our own in-house Houston crew, with a call-ahead
Where your safe ends up
On a pallet at the curb or driveway — wherever the liftgate reaches
Exactly where you want it — any room, any floor
Stairs, doorways & corners
Not their problem — difficult access is often excluded entirely
Specialized equipment for tight turns, steps and delicate floors
Pallet, wrap & cardboard
Stays with you for disposal
Unpacked and hauled away — we leave it spotless
Floor anchoring
Never included — an unbolted safe can be tipped or carted off
Bolted securely to your floor while we’re there
Lock & combination setup
A manual in a plastic bag
Combination set by a certified technician with a full walkthrough
If something goes wrong
A 1-800 number and a freight-damage claim
Two Houston showrooms you can call — family-owned since 1923
We deliver throughout Southeast Texas, including:
See it before you buy
Open the door, compare sizes, and talk through delivered-and-installed pricing with our local team. Open six days a week.

10210 Westheimer Rd., Houston, TX 77042
Mon–Fri 9–6 · Sat 10–4 · Sun closed

8429 Katy Fwy, Houston, TX 77024
Mon–Fri 9–6 · Sat 10–4 · Sun closed
Rated #1 in Houston
Hundreds of 5-star reviews from homeowners and businesses across greater Houston.
★★★★★
“The inventory was impressive, the salespeople were knowledgeable, and the delivery and installation team were outstanding.”
Google Review
★★★★★
“Great customer service. The job gets done right the first time and everything is explained clearly.”
Google Review
Questions & answers
The most common questions Houston buyers ask about this safe.
Get pricing and white-glove delivery, or visit a showroom to compare safes in person.