I have these with dual Picitany as well they all have “markings” Tactical Group Type Mount, Picatinny Riser Mount Red Dot Riser Mount Laser Combo Adapter Mount Designed for Night Vision T1 T2 optic scope sights and provides 6-slot forward extending Picatinny rail riser mount for PEQ DBAL-A2 NGAL laser sights. Offers an elevated MIL-STD-1913, or Picatinny, platform for direct attachment of accessories such as lights, optics and aiming devices. High profile Picatinny riser mount with 6-slot extended, allows for more flexible optic placement and eye relief positioning. Custom recoil stop bolts design, tighten the bolts with the included wrench, can be firmly fixed even heavy recoil, and hard to fall off. Made of aircraft aluminum material, sturdy and durable, practical and wear-resistant, with anti-oxidation and anti-corrosion properties.