The Luth-AR A2 Rear Sight Base Ball Bearing is a precision-fit replacement part for A2-style rear sights. Made in the USA for reliable performance and smooth adjustment, each sight requires two bearings. A must-have for gunsmiths and shooters maintaining accuracy and function.
Fit: Precision fit for smooth operation
Application: Used in A2 rear sight base (2 required per sight)
Made In: USA
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