gun control

from The American Heritage® Dictionary of the English Language, 5th Edition.

• noun Regulation restricting or limiting the sale and possession of handguns and rifles in an effort to reduce violent crime.

from Wiktionary, Creative Commons Attribution/Share-Alike License.

• noun Laws, policies, practices, or proposals designed to restrict or limit the possession, production, importation, shipment, sale, and/or use of guns or other firearms by private citizens.

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

• noun efforts to regulate or control sales of guns