Precision-machined aluminum scope base for Marlin 455/MR7 rifles. Weaver's cross-lock design delivers rock-solid mounting with tight tolerances and maximum ring-holding strength.
The Weaver 402S represents the gold standard in scope mounting solutions. This single-piece aluminum base is engineered for shooters who demand reliability and precision.
Weaver bases have earned their reputation through decades of reliable performance in the field. The 402S delivers the security you need to keep your scope mounted and zeroed, shot after shot. Whether you're hunting, target shooting, or training, this base provides the foundation for accurate shooting.
The single-piece design minimizes potential failure points while the cross-lock system ensures your rings stay put under recoil. Installation is straightforward—no gunsmithing required.