4 torx hd. 6-48 screws hold the aluminum base on Winchester's new .22 rimfire bolt action rifle called the "Expert" made in Turkey.
A long 3/8" dovetail base allows adjusting your scope position for better eye relief. Something Winchester forgot about when they just drilled and tapped 4 holes to fit a pair of 7/8" Weaver #15 - bases.
We expect availability mid-summer 2023. We are in design and manufacturing process now.
As soon as our shipment is ready, we will accept back orders to assure delivery before stock runs out.