Best Gun Safes 2021- Buyer's Guide and Reviews- are gun safes waterproof ,4/2/2021· Liberty Gun Safes are made in the good old USA, Freedom Security FATBOY Jr. safes are the hot priced wide body safe that can hold up to 48 guns. You will find features on FATBOY Jr. that you won't find on other brands including UL listed locks, multiple locking bolts, composite door and relocking devices to deter forced entry.9 Best Fireproof Gun Safes (July 2021) - Rifles & HandgunsSome safes also come with 72 hour waterproof ratings. To learn more about waterproof ratings for safes, see here. Interior We really like an upholstered interior. It makes the safe feel a lot nicer and classier. But this is obviously personal preference.