I 115th CONGRESS 1st Session H. R. 3458 IN THE HOUSE OF REPRESENTATIVES July 27, 2017 Mr. Brown of Maryland (for himself, Mr. Brady of Pennsylvania , Mr. Cicilline , Mr. Connolly , Mr. Gutiérrez , Mr. Larson of Connecticut , Mr. McEachin , Ms. Norton , Mr. Raskin , Ms. Schakowsky , Mr. Serrano , Mr. Suozzi , and Mr. Vargas ) introduced the following bill; which was referred to the Committee on the Judiciary A BILL To require certain semiautomatic pistols manufactured, imported, or sold by Federal firearms licensees to be capable of microstamping ammunition, and to prohibit the removal, obliteration, or alteration of the microstamped code or microstamping capability of a firearm.