One other thought. The term Gun-nut often is used sarcastically and in a demeaning fashion. In truth it is is a moniker of high honor.
A true Gun-nut is a bit like a Boy Scout. When out and about, in your travels you notice odd or different brass, bullets or reloading dies, you pick them up and hold on to the them. Be Prepared, just incase in the future you find a gun to fit them. Thus you have justification to acquire that gun.
And to carry that one step forward, if some old fart, fellow gun nut come along in need of that valuable odd bit, you would be in position to help...