HALO Site on the Sig 556 Halo model

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Seems like this site is a little dorky for this nice of a rifle.

http://www.bigskyguns.com/Sig_Arms-Sig_Arms_556_Rifle_Standard_Halo_Sight.html

Does anyone use one on their Sig 556 or did you put it on ebay and go with an Eotech or Aimpoint?