Picatinny riser 1 inch in height and 5.7 inches in length, 13 slot
Rail mount, will accommodate Picatinny or Weaver standard red dots and optics
Rail riser with See Through Design ,Single piece machined aluminum ,Sturdy and lightweight, 4 ounces in weight, crafted from aircraft grade aluminum,matte black hard coat anodized
The Three protrusions at the bottom provide good fixation,is guaranteed to hold zero against the heaviest of recoil. This Rail Mount base is only suitable for pic rail.(Not suitable for weaver).