Update -
If you're looking from the barrel down, counter-clockwise unscrews.
Mine came right off w/o any trouble...
Also, did you guys check out the arnies thread?? May help a bit...
http://www.arniesairsoft.co.uk/forum...howtopic=30898
Most of the pics and reviews are from the original UTG version, yet everything should be applicable to your front end.
EDIT for SP/Wording