Holding on to a firearm is a responsibility and cannot be taken easily. In olden days it looked fancy to hang deer hunting rifles and other guns in the wall and people wouldn’t even dare to touch it. Gone are those days where we can't have guns without trigger locks due to safety and legal issues. There are a whole lot of varieties, shapes and types available in the market.
For comparison of safes like Paragon vs other safes, you can look for reviews from http://americanrifleman.org/ before buying as there are few features which are truly appreciable. You should also take into consideration the number of firearms and the amount of space you have.
The main reason to use gun safe is that it will protect your guns from falling into wrong hands and moreover it will be helpful in protecting the valuable items in the fire. The main thing to have in mind is that you can't expect the gun safe to hold the number of firearms which has been advertised by the manufacturer. You can get creative and stuff them however you want but still, you can't meet the storage capacity they have indicated. On a safer side, it is always better to overbuy gun safes. Though it is pretty expensive to have all your gun safes with fancy embellishments and carvings you can still have few pretty ones that can be treasured for a lifetime. There are safes available which have specific gun slots but keeping it loose is better if you frequently change guns.
The simple tip would be to buy a gun safe which holds your longest gun so other guns and valuables can fall in the remaining place available. If you are frequent traveller then it is better to buy medium sized safes making it easier to move and if you are sure that you will reside in a single place then you can buy a bigger, roomy safe where you can dump all the guns and valuables in one place. By this way, you need not take any separate care for each and every gun safe making maintenance easier. You can also buy old gun safes either in a garage sale or from people who wish to resell their unused safes.
When you start looking for features you can either opt for traditional dial combination or can choose electronic locks to have keylock security but the end of the day it is up to you to decide the locking mechanism. The next thing to look for is to check for fire ratings and reviews of the gun safe you prefer. When you purchase a gun safe you should check for temperature settings and the duration of time the gun will remain safe. There is no specific rating to check for fireproof gun safe so it is up to the buyer to check and interpret the data to meet their needs.
Few gun safes come with round, steel rods similar to the ones in a bank vault. You should check if they are sturdy and the locking mechanisms are designed in such a way that they cannot be robbed easily.