Some of the benefits:
Opinion from the ATF: The Piexon JPX does not constitute a "firearm" as defined in the Gun Control Act or a "firearm" or "any other weapon" as defined in the National Firearms act. Also, the magazines designed for this device do not constitute "ammunition" as defined in the Gun Control Act". NO REGISTRATION REQUIRED IN MOST STATES. IF YOUR STATE HAS RESTRICTIVE GUN LAWS, THEN CONTACT YOUR LOCAL LAW ENFORCEMENT AGENCY FOR AN OPINION. SOME STATES DO IGNORE FEDERAL GUN LAWS. NO SHIPMENTS TO NY STATE.