Leupold Open Range Rimfire Cross Slot Base - 11mm or 3/8 Rails

Designed as a premium 1-piece rimfire base, the Open Range Rimfire delivers a secure, no-tap solution for most .22 rimfire rifles with 11mm or 3/8" dovetail rails. This base is designed to use with any size cross-slot rings.

Precision-machined from aircraft-grade aluminum, this one-piece base delivers the strength, stability, and exact tolerances serious shooters and hunters demand. With a wide range of mounting systems available, there’s a solution for every rifle and build.