M16 rifle
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The M16 rifle is a family of assault rifles adapted from the ArmaLite AR-15 rifle for the United States military. The original M16 rifle was a 5.56×45mm automatic rifle with a 20-round magazine.
M16A2, multi-sided view
From top to bottom: M16A1, M16A2, M4A1, M16A4.
A Marine of the 3rd Battalion, 1st Marines cleans his XM16E1 in December 1967.
Front cover – The M16A1 Rifle – Operation and Preventive Maintenance by Will Eisner, issued to American soldiers in 1969 during the Vietnam War
M4 carbine
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The M4 carbine is an assault rifle developed in the United States during the 1980s. It is a shortened version of the M16A2 assault rifle. The M4 is extensively used by the U.S. military, which decided
M16 rifle
…most-produced firearm of its 5.56mm caliber. The US military has largely replaced the M16 in frontline combat units with a shorter and lighter version, the M4 carbine. In April 2022, the U.S. Army selected the SIG MCX SPEAR as the winner of the Next Generation Squad Weapon Program to replace the M16/M4. The new 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