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SG 552-1 Commando Barrel Replacement

What you need

  1. SG 552-1 Commando Barrel Replacement, Barrel: step 1, image 1 of 2 SG 552-1 Commando Barrel Replacement, Barrel: step 1, image 2 of 2
    • Using a flathead screwdriver, remove the pin holding the hand guard in place.

    • To remove this, turn the pin clockwise and push it through at the same time.

    • Pull the hand guard off.

  2. SG 552-1 Commando Barrel Replacement: step 2, image 1 of 2 SG 552-1 Commando Barrel Replacement: step 2, image 2 of 2
    • 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.

  3. SG 552-1 Commando Barrel Replacement: step 3, image 1 of 2 SG 552-1 Commando Barrel Replacement: step 3, image 2 of 2
    • 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.

  4. SG 552-1 Commando Barrel Replacement: step 4, image 1 of 2 SG 552-1 Commando Barrel Replacement: step 4, image 2 of 2
    • 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.

  5. SG 552-1 Commando Barrel Replacement: step 5, image 1 of 2 SG 552-1 Commando Barrel Replacement: step 5, image 2 of 2
    • Carefully tug on the tip of the gun and pull the barrel and its cover out.

  6. SG 552-1 Commando Barrel Replacement: step 6, image 1 of 3 SG 552-1 Commando Barrel Replacement: step 6, image 2 of 3 SG 552-1 Commando Barrel Replacement: step 6, image 3 of 3
    • Pull the barrel out from the cover.

    • Remove the pieces at the end of the barrel.

  7. SG 552-1 Commando Barrel Replacement: step 7, image 1 of 2 SG 552-1 Commando Barrel Replacement: step 7, image 2 of 2
    • Remove the remaining pieces of on the ends of the barrel.

Conclusion

To reassemble your device, follow these instructions in reverse order.

Laura Schulz

Member since: 10/05/12

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1 Guide authored

Team

Cal Poly, Team 18-41, Regan Fall 2012 Member of Cal Poly, Team 18-41, Regan Fall 2012

CPSU-REGAN-F12S18G41

6 Members

6 Guides authored

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