Fort Knox Protector Gun Safes are our most popular selling Fort Knox safes. With its vast array of impressive features, the Protector Vault is one of the best values in the safe industry. Starting with a heavy 3/16″ body thickness, the Protector immediately places itself alongside most other manufacturers’ high-end safes. When looking at the industry’s high-end offerings, the Protector’s 3/16″ (7ga) steel body, Reinforced Fire Door with full plate steel reinforcement, Fort Knox’s patented Rack and Pinion 5-to-1 reduction gear drive, and 90 minute fire rating at 1680°F set it apart from the competitors. Compared to other high-end safes, Fort Knox Protector Gun Safes are one of the best bargains in the entire industry and it’s no surprise that they’re our best seller. With many sizes to offer, Protector gun safes come in the Protector 4026, 6026, 6031, 6637, 7241, 7251 and 7261 sizes. One of these sizes should be perfect for you safe needs. As with all of their safes, the Fort Knox Protector Gun Safes are proudly made in the United States and boast the most comprehensive lifetime warranty. This includes the lock, interior, handle/bolt work, mechanism, clutch, and body of the vault.