Fort Knox Safes® Defender


Price:
$4,061

Description

Fort Knox Defender Vault Series

The Defender: Fort Knox's Most Popular Balance of Strength, Fire, and Value

Built to outperform most premium safes on the market, the Fort Knox Defender Series is the ultimate blend of durability, security, and fire protection. With a 10-gauge steel body, a 1/2" reinforced fire door, and up to 13 locking bolts, the Defender delivers rugged, reliable protection trusted by homeowners and professionals alike throughout Washington, Oregon, Idaho, and Montana.

Whether you’re safeguarding firearms, family heirlooms, important documents, or emergency supplies, the Defender gives you the confidence that your valuables are protected—day in and day out. Available in a wide range of sizes and finishes, each Defender safe can be tailored to your space, storage needs, and aesthetic preferences.


Why Choose the Fort Knox Defender?

  • 10-Gauge Steel Body: Heavier than most competitor safes—offering serious pry resistance and physical durability.
  • 1/2" Reinforced Fire Door: Multilayer construction featuring a solid steel plate and two layers of fireboard insulation.
  • 90-Minute Fire Protection at 1680°F: Six-sided fireboard insulation with dual thermal door seal to block heat, smoke, and flames.
  • 11–13 Locking Bolts: Solid 1.5" thick active steel bolts cover all sides of the door for superior anti-pry protection.
  • Custom Finishes & Interiors: Choose from Textured, Gloss, or Distressed paint and layouts like Universal, Collector, or Gun Rack.
  • UL Listed Burglary Rating: Meets or exceeds the UL Residential Security Container (RSC) standard.
  • Defender Bundle Included: Every Defender comes standard with hinge caps and door organizer.
  • Optional Upgrades: Add AR500 steel, stainless steel liners, and electronic lock options for even more protection.

Compare Defender Safe Sizes

Model Exterior Dimensions (H x W x D) Interior Volume Weight Locking Bolts
4026 40" x 26" x 20" (23" w/ handle) 10 cu. ft. 516 lbs 11
6026 60" x 26" x 20" (23" w/ handle) 16 cu. ft. 711 lbs 11
6031 60" x 31" x 27" (30" w/ handle) 28 cu. ft. 903 lbs 11
6637 66" x 37" x 27" (30" w/ handle) 36 cu. ft. 1133 lbs 13
7241 72" x 41" x 27" (30" w/ handle) 45 cu. ft. 1373 lbs 13
7251 72" x 51" x 27" (30" w/ handle) 57 cu. ft. 1763 lbs 13
7251XD 72" x 51" x 40" (43" w/ handle) 85 cu. ft. 2089 lbs 13
7261 72" x 61" x 27" (30" w/ handle) 69 cu. ft. 1848 lbs 13
7261XD 72" x 61" x 40" (43" w/ handle) 102 cu. ft. 2281 lbs 13

Built for the Northwest

From coastal humidity to high-desert wildfire risk, Defender vaults are trusted by families and businesses across the Pacific Northwest. Whether you're securing valuables in downtown Portland or outfitting a ranch in Montana, the Defender delivers the peace of mind you're looking for—day after day, decade after decade.

📍 Serving Washington, Oregon, Idaho & Montana
📞 Talk to a Safe Expert at NW Safe of Bozeman of Bozeman Today

Payment & Security

American Express Apple Pay Diners Club Discover Google Pay Mastercard Shop Pay Visa

Your payment information is processed securely. We do not store credit card details nor have access to your credit card information.