Gun safes have most recentely and commonly used dial style locks and before that key locks. In recent years technology has shifted to the standard of a digital combination lock. These digital locks are harder to break and proven easier to unlock during a stressful situation. For more information, contact Forgesafe Furniture. http://forgesafeusa.com, (866) 259-3137, 10402 Hermosa Dr. Dallas, Texas 75218.