SG 552-1 Commando Barrel Replacement

Using a flathead screwdriver, remove the pin holding the hand guard in place.

Pull the hand guard off.

Using a Phillips #1 screwdriver, remove the two 8mm screws above the hand guard on both sides of the gun. There should be four total.

Locate the button to fold over the folding stock and fold over the folding stock.

Using a Phillips #1 screwdriver, remove the 20mm screw located behind the folding stock.

Turn the gun over so that you are facing the bottom of the gun.

Using a Phillips #1 screwdriver, remove the following screws:

Remove the 8mm screw located directly underneath the cocking lever.

Remove the 8mm screw beside the one you just removed.

Carefully tug on the tip of the gun and pull the barrel and its cover out.

Pull the barrel out from the cover.

Remove the pieces at the end of the barrel.

Remove the remaining pieces of on the ends of the barrel.