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Unfortunately US Optics AR-10, AR-15 Handle Mount Bases is no longer carried by OpticsPlanet.
You can also explore other items in the Riflescope Mounts, Rings & Bases category yourself to try and find the perfect replacement for you!
US Optics AR-10, AR-15 Handle Mount Bases Product Info
US Optics AR-10, AR-15 Handle Mount Bases are carry handle adapters from U.S. Optics. AR-10 Riflescope Base by USO converts your Armalite AR-10 carry handle to Picatinny specifications. AR-15 Riflescope Base by US Optics converts your AR15/M16 carry handle to Picatinny specifications. This Riflescope Base fits into the top of the handle and makes contact with the two 45 degree walls for a perfect fit. A single large knurled nut fastens below for easy attachment and removal. Those Riflescope Mount Bases by U.S.Optics are made from 6061-T6 and Type III Hard Anodized Matte Black.