Fits 1 inch (25.4 mm) scope tubes, ensuring compatibility with standard 1' optics. Key features and benefits Interchangeable caps provide versatility for different applications, allowing quick adaptation without changing mounting components. Easy installation with minimal effort over the barrel and the cleaning rod, reducing setup time and simplifying field maintenance. Riser mount designed for rifles with a 21 mm rail, enabling proper eye relief and sight height on compatible platforms. What makes it stand out Clear compatibility with 1' scopes and 21 mm rails, enabling reliable, crossplatform use on suitable rifles. caps that can be swapped to suit varying shooting needs while keeping the ring securely in place. A straightforward installation process intended to save time at the range or in the field. Specifications and compatibility Ring diameter: 1 inch (25.4 mm) for standard 1' scope tubes. caps: interchangeable for flexible application use. Mounting: designed for easy installation over the barrel and cleaning rod. Rail compatibility: riser mount for rifles with a 21 mm rail. Use scenarios Field hunting with a 21 mm rail rifle: install the ring and use the riser mount to achieve an appropriate sight height; swap caps to adapt to different distances or target types without removing the ring. Range practice or competition: quickly switch between longrange and closerrange configurations by changing the caps, minimizing downtime between shots. Multirifle setup: compatible with rifles that use a 21 mm rail, allowing quick adaptation of optics on different platforms that share the same ring and mounting concept.