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The STD Two-Piece Base for Ruger American Rimfire from Leupold provides a solid platform for keeping scopes zeroed even after prolonged use of heavy-recoiling loads under extenuating conditions. The base offers maximum access to the bolt handle and breech area for interference-free ejection and servicing. They fit both right and left-handed actions. The front base has a slot that accepts dovetail rings, while the rear base accepts rings with flat undersides.
For Ruger American Rimfire
In the Box
Leupold STD Two-Piece Base for Ruger American Rimfire (Matte Black)