The M4/M4A1 5.56mm Carbine is a lightweight, gas operated, air cooled, magazine fed, selective rate, shoulder fired weapon with a collapsible stock. It is now the standard issue firearm for most ...

A soldier in Ukraine's Special Operations Forces told BI that the upgrade was an adjustment for some, but they got the hang ...

“They were carrying M16 and M4 rifles which use 5.56 mm bullets, the same rifles that Israeli soldiers use,” Spencer told The Times of Israel by email. To Spencer, head of urban warfare ...

It works with the M4 Carbine, the M249 machine gun, and the H&K and M16A2 rifles. It is suitable for use in most weapons with a 1-in-7 barrel twist. The M855A1 has a copper-jacketed steel core ...