Things You'll Need
Instructions
Use a flathead screwdriver to unscrew and remove the frame lock pin on the lower receiver (located adjacent to the barrel).
Separate the upper receiver from the lower receiver by pulling it forward. Exercise caution not to damage the wire affixed to the lower receiver.
Remove the barrel by pulling it out of the assembly.
Open the ejection port cover on the right-hand side of the upper receiver (the cover is held in place magnetically).
Adjust the dial in the hop-up chamber (located inside the ejection port) to desired feed speed.