Colt, FN receive Army contracts for further M4, M4A1 carbine production - UPI.com
M4 Carbine | Military.com
Pentagon Looks to Buy 167,000 More M4 Carbines :: Guns.com
US Army Continues M4 Modernization Program -The Firearm Blog
Colt M4 Carbine - Army Technology
US Army's M4 Carbine Replacement Program – Global Defense Corp
M4 Carbine | Military.com
SIG Sauer lands $6.5B contract for new U.S. Army rifles to replace M4 | Military | unionleader.com
M4A1 | FN®
Colt awarded $42 million for M4, M4A1 carbines for U.S., allies
Why the M4 Carbine Can't Do It All for the US Military - 19FortyFive
Colt awarded $42 million contract to produce M4, M4A1 carbines for 13 countries
Gun Legends: The M4 Carbine Is Still the US Army's Go To Rifle - 19FortyFive
Here's Why the US Military Is Replacing the M16
U.S. Army to procure more than 160,000 M4 carbines
M4 Carbine | Military.com
Colt M4 Carbine - Army Technology
M4 Carbine: This Rifle Is So Good That The U.S. Army Can't Lose a Shootout | The National Interest
Army finds fix for glitch that caused M4 rifles to fire unintentionally | Stars and Stripes
Army wants its Next Generation rifle ASAP, but it still has to buy a bunch of M4s to keep soldiers shooting
The Army Is Upgrading Its M4 Rifles to Be More Durable and Lethal
