The M855A1, a 5.56 mm Ball ammunition, is an enhanced performance round for today’s combat and training environments. It works with the M4 Carbine, the M249 machine gun, and the H&K and M16A2 rifles.

** When you buy products through the links on our site, we may earn a commission that supports NRA's mission to protect, preserve and defend the Second Amendment. ** The U.S. Army replaced its ...

ABERDEEN, Md. (Army News Service, May 6, 2011) -- Since June, the Army has fielded about 30 million of its new 5.56mm M855A1 "Enhanced Performance Rounds" in Afghanistan. The cartridge, sometimes ...

Gun-rights groups are in an uproar over an ammunition ban proposed by the Bureau of Alcohol, Tobacco, Firearms and Explosives (ATF). The ATF says it wants to ban M855 ball ammunition, a .223 (or 5.56 ...

TRUE: The BATF has proposed a reclassification of "5.56mm constituent projectiles of SS109 and M855 cartridges" from "primarily used for sporting purposes" to "armor piercing ammunition." FALSE: ...

Lawmakers questioned Army and Marine Corps leaders over why the services buy different bullets for the M16 rifles and M4 carbines. "You guys are using two different rounds, and you have procured ...

** When you buy products through the links on our site, we may earn a commission that supports NRA's mission to protect, preserve and defend the Second Amendment. ** The U.S. military is soon to field ...

There's a lot of misinformation going around about a now-temporarily shelved proposal from the Bureau of Alcohol, Tobacco, Firearms and Explosives to ban M855 ammunition. A lot of the coverage has ...

In a patent infringement action against the US Army for its use of lead-free “green bullets,” the US Court of Appeals for the Federal Circuit concluded that the trial court erred in broadly construing ...

Chalk up another loss for public safety at the hands of the gun lobby. Nearly 30 years ago, the federal Law Enforcement Officers Protection Act banned the manufacture and sale of armor-piercing ...

The DT206C plate is a high-performing, lightweight, type III stand-alone plate, effective even against the increasingly common M855 Green Tip (SS109) round. Competitively priced, the DT206C plate is ...

PICATINNY ARSENAL, N.J. -- Perhaps no subject is closer to the hearts of Soldiers than their weapons and ammunition. For decades, this intense interest in "guns and ammo" has sparked sharp debate over ...