Your first firearm?

I've had an avid interest in firearms for quite some time, but it was only recently that I started to put forth serious effort into the hobby. The first firearm I purchased was a Mossberg 500, I proceeded to buy and install all manner of accessories to it. I know in most circles the ideal first firearm would be something like a Ruger 10/22, but the timing was not favorable, my interest in firearms had been piqued during the 2013 gun control scare. All of a sudden anything that wasn't a fudd gun was experiencing a sudden rise in price. A 12ga shotgun was still reasonably priced, the ammo for it was still readily available and priced normally. I remember seeing 500 round bricks of .22LR commanding outrageous prices (I still see some online vendors charging north of $50 for bulk .22).

That being said, I still wouldn't have changed a thing, I've learned to appreciate the versatility of a good 12ga shotgun. With respect to the subsequent firearms I've purchased, I can at least say that going through numerous boxes of 12ga slug have left me numb to the recoil of everything else I have bought so far.