Weaver Top Mount Base Pair – Winchester XPR (8-40) Matte

The Weaver Classic Aluminum Top Mount Base Pair provides a two-piece, top-mounted mounting solution engineered for the Winchester XPR. Made from lightweight aluminum with a matte black finish, these bases accept Weaver cross-lock rings and attach to the receiver with #8-40 screws. The matched front-and-rear design preserves action access while allowing flexible ring placement for a variety of optic setups.

Key Specifications

• Designed for Winchester XPR receivers.
• Constructed from aluminum for a balance of weight and durability.
• Finished in black matte.
• Overall dimensions are 0.80 x 1.65 x 5.45.
• Height measures 0.8000 inches.
• Length measures 5.4500 inches.
• Width measures 1.6500 inches.
• Includes 2 pieces (front and rear matched pair).
• Mounts directly to receiver and uses #8-40 screws.
• Accepts Weaver-style cross-lock rings; rings are not included.

These matched Weaver bases simplify optic installation while keeping weight low and maintaining a secure platform for sighting. The cross-lock channel and aluminum construction provide consistent alignment and repeatability for a broad range of Weaver top-mount rings, making them suitable for hunting, target work, or general-purpose optic setups.