Give a strong support to your optics or accessories with the aluminium Weaver Top Mount Base #63B. It is compatible with Weaver rings and can serve as a front or a rear base on select firearms.
Single-Piece
- Marlin 45, 30AS, 336, 444, 1894, 1895, Camp 9, 308, 338, 1895
- Western Field 740
- Mossberg 640
