Weaver Top-Mount Base #25 glossy black for Browning Lever Action and others.

Weaver Top-Mount Base #25 glossy black for Browning Lever Action and others.
Each Weaver base is machined for a custom fit with the tightest tolerances. They are designed to counteract the effects of recoil with a square notch that precisely fits the stable cross pin in each removable Weaver ring. Fits:

Browning Lever Action (Front and Rear)
Colt Coltsman round receiver (Front and Rear)
Mossberg Models 810 & RM7 (Rear)
Western Field 730 (Rear)
Winchester Models 52 and 61 with an octagonal barrel (Rear)

This is a 1-piece base for a 2-piece system.
Mounting hardware included