Arisaka Defense Offset Optic Mount Base – Picatinny, Black, Anodized (OOM-BASE)

• Arisaka Defense offset optic mount base for Picatinny rail attachment
• Selectable 35 or 45 degree offset position by reversing stem during assembly
• Base occupies three Picatinny slots and sits 0.180 inch above rail surface
• Length is 1.0 inch with twin recoil lugs and clamping screw interface
• Weighs 1.9 ounces with standard optic plate or 2.2 ounces with tall plate
• Includes Torx screw and M4 mounting screws; made in the USA

The Arisaka Defense Offset Optic Mount Base is an offset optic mount designed for attaching red dot sights to Picatinny rails.

The Arisaka Defense Offset Optic Mount Base is machined with an anodized black finish and mounts to standard Picatinny interfaces using a clamping system with recoil lugs. It occupies three rail slots and measures approximately 1.0 inch in length, with a base height of 0.180 inches above the rail surface. The mount supports 35 and 45 degree offset configurations by reversing the stem during assembly. Hardware includes Torx and metric screws for secure installation. This mount attaches to Picatinny rails for rifle optic setups. The Arisaka offset optic mount base supports modular optic plate compatibility and allows ambidextrous configuration depending on assembly orientation.