Sooner or later, you'll get the desire for an AR-15. Semi-auto, almost no recoil, very ergonomic, inexpensive ammo available everywhere.
Probably the most "fun" you can get.
If you hunt deer, it's legal in some states, but if it's not legal in yours, you can get upper assemblies in half a dozen larger calibers.
You will probably get several guns over the years, but you can't go wrong with the AR-15 first.
History fails to record a single precedent in which nations subject to moral decay have not passed into political and economic decline. There has been either a spiritual awakening to overcome the moral lapse, or a progressive deterioration leading to ultimate national disaster.
If you think a strong military is expensive, think about what a weak one would cost