Kastle Group Aimpoint ACRO Offset Olive Drab Green. This solution is effective for a multitude of reasons including having a spare optic incase your primary goes down holding dual zeros if your rifle is setup to shoot sub and supersonic ammo or when you find yourself shooting from compromising positions or need to manipulate from abnormal angles with obstacles. Specifications for Kastle Group Aimpoint ACRO Offset: Manufacturer: Kastle Group Finish: Type III Hard Anodized Fabric/Material: 7075 Aluminum Red Dot Sights-Footprint: Aim Point Acro Features of Kastle Group Aimpoint ACRO Offset Aimpoint ACRO Footprint 45 degree Offset Mount Position Seamless Fortress Integration Type III Hard Anodized Package Contents: Kastle Group Aimpoint ACRO Offset Kastle Group ACRO-45-ODG: Aimpoint ACRO Offset Olive Drab Green