https://vizardsgunsandammo.com/magpul-mag248-fde-mbus-flat-dark-earth-rear-folding-polymer-picatinny/?ctk=76955fb2-2472-44bb-bb8d-2d270f470e07&showHidden=true

MAGPUL MAG248-FDE MBUS SIGHT REAR
Mfg Item Num: MAG248-FDE
Model Number: MBUS
Unit of measure: EA
Type: Rear
Frame Material: Polymer
Frame Color: Flat Dark Earth
Base Configuration: Picatinny Rail
Style: Folding
Windage Adjustment: Yes
Firearm Type: AR15/M16