1. Short title This Act may be cited as the Pistol Brace Protection Act . 2. Modification of definition of firearm (a) Firearm definitions in title 18, United States Code Section 921(a) of title 18, United States Code, is amended— (1) in paragraph (4)— (A) in subparagraph (B), by striking (other than a shotgun or a shotgun shell which the Attorney General finds is generally recognized as particularly suitable for sporting purposes) and inserting the following: (other than a shotgun, a shotgun shell, or a firearm excluded from the definition of the term shotgun under paragraph (5)) ; and (B) in the flush text following subparagraph (C), by striking which the owner intends to use solely for sporting, recreational or cultural purposes ; (2) in paragraph (5)— (A) by inserting (A) after (5) ; and (B) by adding at the end the following: (B) (i) The term shotgun shall not include any pistol or other firearm that is equipped with a device that is designed, manufactured, and intended to allow the operation of a pistol or other firearm with a single hand through the use of a brace that— (I) is attachable or provides support to the user’s arm; and (II) the user intends to fire with a single hand. (ii) For purposes of clause (i), documented use with 2 hands or firing from the shoulder does not establish that a user does not intend to fire the pistol or other firearm with a single hand. ; and (3) in paragraph (7)— (A) by inserting (A) after (7) ; and (B) by adding at the end the following: (B) (i) The term rifle shall not include any pistol that is equipped with a device that is designed, manufactured, and intended to allow the operation of a pistol with a single hand through the use of a brace that— (I) is attachable or provides support to the user’s arm