Transform your observation experience with the Really Right Stuff SC-DUO, a semi-permanent dual clamp meticulously designed for both Picatinny and ARCA-Swiss style rails. Engineered to elevate your equipment versatility, the SC-DUO makes mounting or changing various accessories a breeze - whether you're using laser range finders, red dots, or even Kestrels. This innovation gives you the freedom to adapt to rapidly changing field conditions swiftly and securely. With its rugged design and effortless functionality, the SC-DUO enhances your efficiency and optimizes your observation capabilities. Make every second count with the SC-DUO, your perfect partner for dynamic field operations.FeaturesLow profile duo rail mount designCNC machined 6061-T6 AluminumAnodized; Type III BlackUpper Jaw: Dual-Function RRS 1.5" Standard Dovetail or Picatinny rail compatibility via easy-to-adjust screw knobLower Jaw: Clamps to Picatinny rail using a supplied 5/32" hex key.