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Fort Knox Defender 6031 Gun Safe Dark Granite w/ Upgrades

 In Stock, Ships Same Business Day

Other Color Options with 10 Week Lead Time View Here

  • External Dimensions 60" H x 31" W x 27" D
    (Add 3” to Depth for Handle)
    Internal Dimensions 55" H x 27 ⅜" W x 19 ⅜" D
    Weight 948 lbs
    Fire Rating 2 Hour at 1700°F
    Burglary Rating UL RSC Rating 
    (Exceeds CA DOJ Requirements)
    Gun Capacity 13 Gun Interior
    • U.L. RSC Residential Security Container Rating
    • 2 Hour Fire Rating at 1700°F
      • 1/4" Steel Plate
      • Also 2 Layers of Smoke & Fire Seal + Type-C Fireboard
    • 10 Gauge Solid Steel, Uni-Body Construction
      • Quadrafold Door Frame & Fortress Fold Door Design
    • Upgraded Black Chrome U.L. Rated S&G Electronic Lock
      • Drill Stop Hard Plate with Recessed Multi-bearings
    • Eleven 1 ½” Thick Solid Steel Locking Bolts
      • Upgraded with Heavy-Duty Corner Bolts
    • 1/2” Steel Door Edge Thickness
    • EasyGlide™ Concealed Ball-Bearing Hinges
    • Dark Granite Textured Finish
    • Black Chrome Hardware & Trim Color
      • Traditional Graphic Logo Design
    • 5-Spoke Wheel Turn Handle
    • 1/2 EZ Gun Rack Interior
      • 13 Gun Capacity
      • Adjustable Shelves
    • External Hinges with Right-Hand Swing
      • Includes Hinge Caps
    • Silver Fabric Lined Interior
    • Upgraded Bundle Added:
      • Light Kit Pre-Installed
      • Finial Pull Handle
      • 12" Dehumidifier Rod
      • Corner Bolts
    • Made in the USA
    • Lifetime Factory Warranty


  • The Defender strikes a powerful balance between security, fire protection, and value.

    This particular color variation of the Fort Knox Defender 6031 Gun Safe we have in stock to offer you shorter lead time for your safe. This model comes in a Dark Granite Textured Finish and Black Chrome Hardware, PLUS a number of upgrades added. The upgrades on this in stock model is the heavy duty corner bolts, an included light kit, dehumidifier rod, black chrome pull handle, and corner bolts. 

    Cranking up the heat to 1700°F, the Fort Knox Defender 6031 is certified for 2 hours of inferno fire protection. This is accomplished with the 3/8" reinforced fire door consisting of a 1/4" steel plate, 2 layers of C-rated fire board and 10-gauge steel reinforcement. Add in the heat activated Palusol dual thermal door seal and your vault will be locked, sealed and ready to block the worst that flames have to offer.

    When it comes to security, the Fort Knox Defender 6031 is UL burglary listed due to its 10 gauge, uni-body construction, drill deflector bolt guard, EasyGlide concealed ball-bearing hinges, and patented multi-gear drive. Combine that with (11) 1.5" active solid steel locking bolts strategically placed along all sides of the door, and you will have a vault that is extremely difficult to get into, even for a skilled burglar. With the heavy duty corner bolt upgrade already included, you will get an extra boost of security at no cost to you (corner bolts costing $436 alone).

    On the door of the Fort Knox Defender 6031 lies the upgraded S&G UL Rated Electronic Lock option, protected by a drill stop hard plate with recessed multi-bearings. After you enter in the correct combination, you'll turn the 5-spoke clutch drive black chrome handle and see the beautiful silver carpeted interior. All sides of the safe consist of velcro compatible carpeting for additional storage room.

    In terms of functionality, the internal electrical power supply kit will allow you to plug in the included dehumidifier rod and pre-installed LED lights, plus any other various electronics you would like to store. While the door is open, the bolt detent system will keep the bolts secured inside the door until the door is securely closed. Fort Knox includes a door panel organizer on the Defender 6031 gun safe.

    Fort Knox believes in and stands behind the quality and workmanship of the Defender 6031 gun safe by offering a comprehensive lifetime factory warranty.


    For a different lock on this model (ex: Mechanical Dial Lock) please call 800-827-7534 to receive a quote. Lock changes normally add 2-3 days to ship.