SKB and Pelican make gun storage units that will protect your guns if they get knocked around.  The foam pads can always be customized for specific guns and gear and I highly recommend doing so.   I strongly believe in buying gun cases that are for specific firearms and especially so for rifles.   You will be able to fit varying sizes of handguns in the pistol cases depeding on which way you place them, but rifles will get tricky and since most of them will have optics, you gotta be careful how much you pack them.  There are even some rifle cases that can hold your magazines, pistol, and pistol magazines.

There are always pros and cons of certain types of gear for your rifle and there are always trade offs.  A gun sock is good for protecting your guns from some levels of friction, they don’t take up much room in storage and they also don’t add weight to your gun in transport.   Any padded gun case will give you easy  use and easy storage, but when you start transporting firearms that are $1500-$5000 you’re going to want to think about hard rifle cases.   Granted, a sniper drag bag that is properly designed will give you plenty of protection and easy to drag around, but I’m talking about range days or inter State transportation.