(a) Offense defined.--It shall be unlawful for any licensee to sell, deliver or transfer any firearm as defined in section 6102 (relating to definitions), other than an antique firearm as defined in section 6118 (relating to antique firearms), to any other person, other than another licensee, unless the transferee is provided with or purchases a locking device for that firearm or the design of the firearm incorporates a locking device.

(b) Exceptions.--Firearms for transfer to or possession by any law enforcement officer employed by any Federal, State or local government entity or rail police employed and certified by a rail carrier as a police officer are not subject to the provisions of this section.

(c) Penalties.--A violation of the provisions of this section shall be a summary offense.

(d) Good faith compliance.--A licensee who in good faith complies with this section shall not be civilly liable as a result of such compliance with this section, except for any acts or omissions intentionally designed to harm or for grossly negligent acts or omissions which result in harm.

(e) Admissibility of evidence.--A transferee's purchase or receipt of a locking device in conjunction with the purchase of a firearm pursuant to this section shall not be admissible as evidence in any civil action brought against the transferee.

(f) Definitions.--As used in this section, the following words and phrases shall have the meanings given to them in this subsection:

“Licensee.” Any licensed manufacturer, importer or dealer of firearms.

“Locking device.” Either of the following: