Weaver Top Mount Base 402, Black - 48108

This is a 1-piece detachable top mount aluminum scope base in black finish, designed for mounting optics on rifles. Machined to tight tolerances, it features a square-cut notch that mates with Weaver-style detachable rings and is compatible with numerous rifle models including Marlin 455/MR7, Savage 110, Winchester 70, and others.