The Colt Canada C7 and C8 are a Canadian family of service rifles, manufactured by Colt Canada, having similar design and function to the Colt M16A3.
A Canadian paratrooper with a C7 rifle, 1992
Danish Royal Life Guards with C7A1 assault rifles
A Canadian soldier firing a C7A2. The C7A2 included a three-rail TRIAD mount clamped on its front sight.
A C8 carbine with a blank-firing adapter in Canadian service, 2012
The M4 carbine is a 5.56×45mm NATO, gas-operated, magazine-fed carbine developed in the United States during the 1980s. It is a shortened version of the M16A2 assault rifle.
A 10th Special Forces Group soldier with an M4 carbine during an exercise in July 1995
A U.S. Army 82nd Airborne soldier holds an M4 carbine in Vitina, Kosovo in January 2000 during the NATO-led KFOR mission, the first operational use of the M4 by U.S. troops
M4 with M68 Close Combat Optic and AN/PAQ-4
M4 with the newer, redesigned telescoping stock