SKU: WE48004
UPC: 076683480040
MPN: 48004
The Weaver Standard Top Mount Aluminum Scope Base in silver (#46S) is a precision mounting solution designed for Winchester and compatible rifle platforms. This single-piece top-mount base serves as the foundation for any optics setup, enabling quick and secure attachment of scopes and sight systems without permanent firearm modification.
Constructed from durable aluminum, the Weaver 48004 base features a silver anodized finish that resists corrosion and provides a clean, professional appearance on the rifle. The one-piece design eliminates the dimensional stacking issues inherent in two-piece systems, resulting in lower bore height and improved cheek weld geometry. It is engineered to integrate seamlessly with Weaver-standard rings and mounts, utilizing proven dovetail geometry that has been the industry standard for decades.
This base is ideal for shooters building Winchester bolt-action rifles, lever-actions, or other platforms with compatible receiver dovetail dimensions. Installation requires no permanent modification to the firearm—the base seats directly into the receiver's top slots and secures via set screws, making it a reliable choice for law enforcement and precision rifle shooters who need repeatable accuracy.
WARNING ⚠️ You must be 18 or older to purchase shotgun or rifle ammunition and 21 or older to purchase handgun ammunition and firearms. Please reference our requirements for ammunition orders to "restricted" states HERE. Always make sure you use the correct ammunition for your firearms. Ammo cannot be shipped to a PO Box. Please reference state & local laws before making a firearm or ammunition purchase.