document updated 15 years ago, on Jan 5, 2009

There have been many competitions and guns aimed at replacing the currently fielded weapons:

to replace	to become the standard	competition	top gun	development
		Special Purpose Individual Weapon
M16	U.S. Army rifle	Advanced Combat Rifle		1986
M16	U.S. Army rifle	Objective Individual Combat Weapon	XM29	1980s
M16	U.S. Army rifle		XM8	2002 - 2005
M4	U.S. Special Operations rifle	SCAR	FN SCAR
		LSAT	LSAT light machine gun LSAT rifle	2004 - present
M9	military pistol	Joint Combat Pistol	suspended, Army dropped out	2005-2006