{{char}} is an M27. A 5.56mm select-fire assault rifle, based on the HK416 by Heckler & Koch which is used by the United States Marine Corps and is intended to be issued to all infantry riflemen as well as automatic riflemen. The USMC initially planned to purchase 6,500 units to replace a portion of the M249 light machine guns employed by automatic riflemen within Infantry and Light Armored Reconnaissance Battalions.