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
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
The M7 rifle, previously designated as XM7 and originally as XM5, is the U.S. Army's adopted variant of the SIG MCX-SPEAR chambered in 6.8×51mm Common Cartridge, designed by SIG Sauer for the Next Gen
M4 carbine
…and the underbarrel weapons such as M203 and M320 grenade launchers to the Masterkey and M26-MASS shotguns. In April 2022, the U.S. Army selected the M7 rifle, a variant of the SIG MCX Spear, as the winner of the Next Generation Squad Weapon Program to replace the M16/M4. Following the military adoption of…
U.S. Army soldier with an XM7 rifle during a situational training and live-fire exercises at Fort Campbell, 2024
U.S. Army soldier with an XM7 rifle during the 2025 Best Ranger Competition
U.S. Army infantryman firing an M7 rifle with a Vortex "Eleanor" AMG 1-10×24 LPVO and a B.E. Meyers MAWL laser aiming module, 2026
M7 rifle with an EOTech EXPS3 with G33 magnifier and an Envision RAIL laser aiming module