Madoor's Bullet resistant doors are designed to protect people and property from firearms’ bullets and shrapnel. They are frequently used in government buildings, financial institutions, high crime areas and other structures where increased safety is desired. Brands include Mesker and Door Components. Tested in accordance with UL 752 level 1 through 8 for ballistic products 16 or 14 Gauge Steel Faces Bullet Resistant Core MAdoors Bullet Resistant Steel Doors and frames are secure from ballistic attack yet have the appearance of standard hollow metal products. Our complete range of bulletproof doors are readily available and can be furnished with factory installed bullet resistant glazing. Stock bullet resistant steel doors and frames are ready for immediate shipment. UL Level One standard to protect against medium power small arms (Super 38 Automatic). UL Level Two standard to protect against high power small arms (.357 Magnum Revolver). UL Level Three standard to protect against super power small arms (.44 Magnum Revolver). UL Level Four standard to protect against high power rifle attack (30-06 Rifle) where anticipated threat levels are extremely high. UL Levels Five through Eight to protect against military assault weapons using armour piercing ballistics.