I wouldn't waste your money on the KTW. Buy a real one and hang it on your wall.

Well the Springfield just disappeared from AirsoftPanda... I had my eye on that one, that's a shame.

First, excuse my english , am use google translater.To give you a idea what it may look like a custom kar/vsr-10 (work) here's mine with cross kar98 sportorizer fonctionnel.Je should have a full version of KAR with non sportorizer handgard soon.
http://imageshack.us/a/img155/1186/hpim1168l.th.jpg
http://imageshack.us/a/img259/6954/hpim1169r.th.jpg
http://imageshack.us/a/img94/6726/hpim1170m.th.jpg
The front barrel , i'm use de récupération parts ( metal tube , old front barrel bb rifle ,abs reducer and époxy glue ).
http://imageshack.us/a/img716/8720/hpim1174l.th.jpg
finish version at 90 % ( I have build the bottom plate of the butt hole to hide not use the height of the real charger.)
http://imageshack.us/a/img69/6342/hpim1173kj.th.jpg
with scope ( 3x9 )
http://imageshack.us/a/img52/7152/hpim1199q.th.jpg
In action on the ww2 airsoft game in pont rouge , Québec this Décember 1st 2012.
http://imageshack.us/a/img802/5812/rf23qh.th.jpg
http://imageshack.us/a/img404/2746/lcpuyh.th.jpg
My inspiration picture for accepte de kar sportorizer in ww2 game.
http://imageshack.us/a/img89/1191/55644684.th.jpg
a+