Ruger's picatinny scope base rail is constructed of steel and is 4.62" long.It includes four screws.This model is compatible with ruger 10/22 and 22 charger pistol.
Type: 1-Piece Base
Model: 10/22 & Charger
Style: Picatinny
Finish: Black
Material: Steel
Pieces: 1
Rings Included: No
Type: 1-Piece Base
Model: 10/22 & Charger
Style: Picatinny
Finish: Black
Material: Steel
Pieces: 1
Rings Included: No