ADE 45 Degree Offset Picatinny Red Dot Mount Plate For AR15 Rifle -Compatible With Shield RMS/RMSc,ADE RD3-018 SPIKE,RD3-021 NUWA,Leupold Deltapoint Pro,Vortex Venom,Burris Fastfire,Trijicon RMR,Holosun 407C/S507C/508T/407K/507K/ESP,Swampfox Sentinel