AZ HB2621

Requires all firearm sales or transfers to be conducted through a licensed firearms dealer, unless both parties are licensed dealers.

Mandates criminal background checks through the National Instant Criminal Background Check System (NICS) for all firearm transfers between unlicensed parties, with an exception for transferees who hold a permit exempting them from background checks.

Allows licensed firearms dealers to charge a maximum fee of $20 to facilitate transfers between unlicensed parties to cover administrative costs.

Exempts law enforcement, military personnel, gunsmiths performing repairs, common carriers, shooting range loans, lawful hunting/sporting loans, antique firearms, and bona fide gifts between immediate family members from background check requirements.

Classifies violations of this section as a class 5 felony.