Ar pistol

yes you can however I think it needs to be marked as other (not handgun or long gun) on the form 4473 at the FFL

Hola Juan! Yes, A Stripped Lower Receiver can be used in a AR15 build.

Juan, Should work with any barrel length AR15 upper.

Juan, yes Sir. A Stripped Lower Receiver is "Virgin" and can be used in a "Pistol" build.