I see what you did there.
http://static2.wikia.nocookie.net/__cb20101107213652/megaman/images/7/73/MegaArm.jpg (Unsupported image host)

But unlike the Mega Arm, this makes no sense.
Do we have tons of these?
It should be one that shoots, limited range, then come back, and it still damages.
Maybe also a feature where it could grab onto players and drain Hp.