Originally Posted by
smitty56
I agree with Mr. bac0nfat,
I (for me personally) would not have a shorty AR upper sitting loose among a pile of full stocked ARs. Under the "Guilty Until Proven Innocent"
scenario, you would be accused of having options to mount it up and build an illegal short barreled rifle. If, on the other hand, you bought the "purchased as pistol" AR lower FIRST, then there is not much anyone can say. This ideal was endorsed by my local friendly Class III dealer who deals with BATF on a regular basis.