This is a 606 into a 201, so yeah it will fit.

The 603 is the same size and I don't think the 603/606 is much longer than an M103/104 which fits well.

http://www.youtube.com/watch?v=6RTr8nM3-wk&feature=related
http://www.youtube.com/watch?v=7xnl_yAD4SQ&feature=related

And here is a 603
http://www.youtube.com/watch?v=iWCmfpFOC3A&feature=related

__________________
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