Description:CNC machined stainless steel Picatinny spec. scope base.
Proudly made in the USA.
Application:Ruger Precision Rimfire rifles
Specs:Weight:Stainless: __ oz Length: 5.260" Height: .390"
Hole Spacing:1st to 2nd:1.574" 1st to 3rd: 4.334" 1st to 4th: 4.728"
** Each base ships with #6-48 Alloy steel Torx screws, and a T15 Torx wrench.