Calculated Kinetics Arex Delta Gen 2 Optic Plate Mount Type 1 Black. Arex Delta Gen 2 is a great weapon out of the box and by far one of favorites Specifications for Calculated Kinetics Arex Delta Gen 2 Optic Plate Mount: Manufacturer: Calculated Kinetics Red Dot Sights-Footprint: Docter Optic Cut: Docter/Noblex Fabric/Material: 6061 Aluminum Color: Black Fit: Burris Fastfire 2/3/4 Vortex Viper/Venom Model Generation: 2 Attachment Type: Screw Gun Make: Arex Weight: 1.5 oz Gun Type: Pistol Finish: Hard Anodized Condition: New Features of Calculated Kinetics Arex Delta Gen 2 Optic Plate The Type 2 plate is compatible with Trijicon (RMRSRO) Holosun (407C507C508T) Vector Optics Frenzy 1x22x26 MOS and Swampfox (Justice 1x27 Liberty 1x22 Kingslayer 1x22). Package Contents: Calculated Kinetics Arex Delta Gen 2 Optic Plate Mount Vibratite Torx Bit Hardware Calculated Kinetics AXDG2-TYPE1: Arex Delta Gen 2 Optic Plate Mount Type 1 Black