The Stoner Light Machine Gun (LMG) is an iconic weapon from Vietnam War. It was developed by Eugene Stoner, the famous designer of the AR-15/AR-10, after he left Armalite. The weapon was combat tested by the United Marine Corps in Vietnam but after the trail it was not adopted. The main user of the Stoner light machine gun was the US Navy SEALs and it remained in service until the early 1980s. You can read more about the Stoner 63 system from Forgotten Weapons.
This Stoner LMG has a Commando size 16-inch quick-changeable deep fluted heavy profile barrel. The gas system has all stainless steel components. The Stoner LMG uses the proprietary S-63 disintegrating metallic link that’s not compatible with the current M27 link that the M249 SAW uses.
The feed-trap open. The early model of the Stoner LMG feeds from the left and the 5.56mm ammo link is stored in the aluminum drum. Which is actually a very rare Costa Mesa 150-round drum. The later Stoner LMG models were redesigned to use box-shaped plastic belt containers in two different sizes and feed 5.56mm ammo link from the right side.
Top profile of the Stoner LMG. Other than the feed-tray the rest of the gun has a relatively narrow profile.
This Stoner LMG is in the early Vietnam War Stoner 63A configuration with its right side charging handle and feed from the left. The later Stoner 63A model has the charging handle inside of the front handguard and feed from the right side.