Barrel Removal

• 1). Verify that the machine gun is unloaded. If it has been recently fired, make sure the barrel is cool.
  
  
• 2). Pull out the quick-release pin on top of the receiver and let the gun adapter pivot down.
  
  
• 3). Push in the spring detent on the right side of the receiver and raise the barrel lock lever.
  
  
• 4). Pull the barrel assembly forward out of the receiver.
  
  

Barrel Installation

• 1). Make sure the barrel lock lever is unlocked and in the up position.
  
  
• 2). Raise the gun adapter, align the holes on the receiver and insert the quick-release pin.
  
  
• 3). Insert the barrel assembly into the receiver.
  
  
• 4). Push the barrel lock lever down into the locked position.