H.R. 3458: To require certain semiautomatic pistols manufactured, imported, or sold by Federal firearms licensees to be capable of ...
... microstamping ammunition, and the prohibit the removal, obliteration, or alteration of the microstamped code or microstamping capability of a firearm.

Jul 27, 2017
Introduced on Jul 27, 2017
This bill is in the first stage of the legislative process. It was introduced into Congress on July 27, 2017. It will typically be considered by committee next before it is possibly sent on to the House or Senate as a whole.

Source: https://www.govtrack.us/congress/bills/115/hr3458

John Stewart
Editor, OutdoorWire.com
Resources Consultant, California Four Wheel Drive Association
Board of Directors, BlueRibbon Coalition