The Talley Modern Sporting (TMS) Ring is a versatile solution for your Picatinny rail system with a clean and simplified appearance. These scope rings are designed to work with any rail adhering to MIL-STD-1913 Picatinny rail specs. Here are the details you’re looking for:

Tube Diameter: 30mm
Height Options:
- Low: Approximately 0.890" from the top of the Picatinny rail to the centerline of the scope tube.
- Medium: Approximately 0.990" from the top of the Picatinny rail to the centerline of the scope tube.
- High: Approximately 1.090" from the top of the Picatinny rail to the centerline of the scope tube.

These rings are machined from aircraft-grade alloy with a black anodized finish. They are lightweight, American-made, and fully CNC-machined. Lapping is not required, which simplifies installation. The TMS rings come in pairs and are currently available in 1", 30mm, 34mm, and now 35mm scope ring sizes.

Remember that the height measurement is from the top of the Picatinny rail to the centerline of the scope tube. They meet MIL-STD-1913 specifications, ensuring compatibility with various rail systems.