Hi I have a as new in box. SIG 556/522 rear Dioptic sight. This is the correct sight for both the Sig 556 and the 522 rifles and pistols. Shipped $145. These sell for over $250 bye them selfs. I will also incude a addaptor for mounting this on the AR15 type rifles. fully adj. in elevation and windage. Money orders, personal checks or Gunpal (+3.5%). Will also do a FTF in the Salem/Wilsonville area.