The Leupold Open Range Rimfire rail is a one-piece base engineered to provide a secure, no‑tap mounting solution for most .22 rimfire rifles that use 11mm or 3/8" dovetail rails. It installs as a single solid piece and accepts cross-slot rings of any size, keeping scope alignment stable without requiring separate taps or adapters.
- One-piece rimfire base: provides a single, continuous mounting surface for consistent placement.
- Fits 11mm and 3/8" dovetail rails: designed specifically for common rimfire dovetail dimensions.
- Compatible with any size cross-slot rings: works with a range of ring heights and styles that use cross-slot interfaces.
Use this Open Range Rimfire base when you need a simple, single-piece mounting option for .22 rimfire rifles with 11mm or 3/8" dovetails. The design focuses on secure attachment and straightforward compatibility with cross-slot rings.