Weaver Top Mount Base #63B - Black
Give a strong support to your optics or accessories with the aluminum Weaver Top Mount Base #63B. It is compatible with Weaver rings and can serve as a front or a rear base on select firearms.
•Marlin 45, 30AS, 336, 444, 1894, 1895, Camp 9, 308, 338, 1895
•Western Field 740