Originally Posted by Xethman
...Or how about barrel extensions? Say 3", 6", 9" etc, extensions that you can screw on to the neg 14 threads found on many guns? Turn a KWA G36C into an SRC K or E version just by adding some barrel length...
Just an FYI you can't magically turn a G36C into a K or E version simply by throwing a barrel extension on it. There are significant differences in the handguard length as well as the stock and carry handle/optics.
K above, C below.