Weaver #17 Top Mount Aluminum Base #48017
Each Weaver base is machined to tight tolerances for a custom fit. These Aluminum bases offer maximum strength for rings to hold tight.
Used as a front base on:
Remington 41*, 121 with 13/16″ diameter barrel
Winchester 07, 05, 10, 47, 69A, 72
Used as a rear base on :
Remington 33*, 41