Zero Compromise ZCO Picatinny Rail Mount
ZCO manufactures their rings CNC machined in-house out of 7075 aluminum for durability and hard coat anodized for wear and abrasion resistance. The ZCO Picatinny Rail Mount rail section works on top of several of their mounts and allows a secondary red dot sight or other accessory to be mounted. The short Picatinny rail block attaches to the top of the mount.