A member of the North Florida Survival Group and his young son gather their rifles before heading out to perform land navigation and enemy contact drills during a field training exercise in Old Town, Florida, December 8, 2012.
A man fires his handgun along a mountain range in Buckeye, Arizona January 20, 2013.
An employee demonstrates gun safety to clients at the Los Angeles gun club in Los Angeles, January 23, 2013.
Sam Sletager fires his shotgun at ducks during a hunt along the Pend Oreille River near Sandpoint, Idaho November 4, 2011.
Connor Kennedy, 7, from Farmingdale, New York, holds the M4 carbine rifle of a marine from 1st Battalion 9th Marines Charlie Company 2nd Platoon during a demonstration put together by the Marines as part of Fleet Week in East Meadow, New York, May 26, 2012.
Brandon Smith poses with his AR-15 rifle during a pro-gun and Second Amendment protest outside the Arizona State Capitol in Phoenix, Arizona January 19, 2013.
Kenny Gaudette makes his way to the next shooting station as he competes in the Primitive Biathlon in Dalton, New Hampshire February 16, 2013.
Andrew Josequera, 11, prepares to shoot at a target at the Los Angeles gun club in Los Angeles, January 23, 2013.
High School students in a squad shoot on a firing range as they take part in training exercises at the U.S. Military Academy at West Point, New York, June 19, 2008.
Hand guns that were turned in by their owners are seen in a trash bin at a gun buyback held by the Los Angeles Police Department following the mass shooting at Sandy Hook Elementary School in Connecticut, in Los Angeles, California, December 26, 2012.
Republican presidential candidate and former Pennsylvania Senator Rick Santorum looks on during a pheasant hunt in Adel, Iowa December 26, 2011.
A group of local public school teachers from nearby schools use rubber training guns as they practice drills on disarming an attacker during a teachers-only firearms training class offered for free at the Veritas Training Academy in Sarasota, Florida January 11, 2013.
Civil War re-enactors gather before the re-enactment for the 150th anniversary of the Battle of First Manassas/Bull Run, in Manassas, Virginia July 23, 2011.
Gun dealer Tom Mannewitz displays several United States-made assault-style rifles inside his Dallas, Texas gun shop, September 13, 2004.