20.3 cu. ft. All Steel 30 Minute Burglary/Fire Safe with Combination Dial Lock, BlackMESA 1 2 hour fire rated Ammo Safe is the perfect addition to your Gun Safe. Reduce accidents by keeping ammo and guns Separate with the MGL36AS. With its approximately 21. 1 cu. ft. capacity and 4 sturdy and adjustable shelves, the MGL36AS will meet the needs of even the most robust ammo collector. The mechanical dial Lock provides Security and Function after an EMP Attack. Multi purpose ammo safe All steel construction Mechanical combo lock Internal