>>12481163 pb
gunbroker.com and ammoseek.com are consolidators you can link out from there to the vendor sites if you find something that you like.
Be aware that guns are 20 - 200% more right now and ammo is 200 to 1000% higher than calm prices. This is when some calls to elderly relatives can be useful. Ammo lasts for decades and in some cases over a century or more in good storage. Guns can last centuries if cared for and not abused or worn out.
Electronics are nice, but will be fried if we get EMP'd…be sure you're set to roll old school if it gets hard core.