Shooting farther with more punch: The Army finally found an M4 and

Soldiers, special operators and Marines in the near future will carry a first-of-its kind rifle and light machine gun.

Tactical AR-15/M4/M4A1 Carbine Aftermarket Accessories for Military Combat Applications: The Competition-to-Combat Crossover, Part 1 – (DR): An online tactical technology and military defense technology magazine with particular focus

POF-USA Rogue .308 Win. AR-15 Rifle: Full Review - Firearms News

Inside Sig Sauer's Entry for the Army's M4 Replacement

The Army's SAW and M4 replacement is headed to troops by 2022

The Army Expects Its New Rifle to Be of a Different Caliber

Experts: Pentagon must look for more powerful rifles and ammo to replace the M4

Stolen military weapons: At least 1,900 U.S. military firearms were stolen or lost in the 2010s, some resurfacing in crimes - Chicago Sun-Times

20-Years Later: The M16A2 Of Operation Iraqi Freedom

M4 Sherman - Wikipedia

History of U.S. Army Weapons

The Army Expects Its New Rifle to Be of a Different Caliber

The Federalist Society

EMG Seekins Precision Licensed PDW SBR SP223 Advanced Airsoft M4 AEG Rifle w/ G2 Gearbox (Color: Black / 12 M-LOK w/ Integral Suppressor / Gun Only), Airsoft Guns, Airsoft Electric Rifles