Hi I have a 4 power Acog NSN clone from 1337 tatical. This is a copy of the Acog. Non-illumnated. All metal. Has the back up iron sights on top. Rangeing recticle. Quick detach flat top mount. great for the .22 Ar15 out there. But will work with the real ones also. "O" ring sealed. Glass is clear and clean. Shipped $80. Money orders,personal checks or GUNPAL (+3.5%). FTF in the Salem/ Woodburn area.