So, they choose not to care firearms and ammo in every store, so what? The last I looked we're still living in a free society and business whatever legel products that they decide make the most sense and cents. Some obviously require special permits and licenses.

Go to an outlet or local gun shop that carries what you want, look and buy.

Besides, boycotts rarely result in the desire changes in corp. behavior. I'd recommend saving your efforts for something that makes sense and makes a difference.