OK, you wankers triggered my imagination. Brace yourselves please.

Pistol Packer = Poony
Shotgun Shooter = Shoony
Rifle Nut = Roony

And just for the heck of it, if you're a muzzle loading nut = Moony

I am..........disturbed.

Concerning the difference between man and the jackass: some observers hold that there isn't any. But this wrongs the jackass. -Twain