These 2 Piece Sportmatch Mounts feature double screws which guarantee to hold the scope firmly in position plus a retractable recoil stop pin adds to eliminate movement from recoil.They a have a Base Fitting of 9.5 - 11.5mm (3\8") Dovetails, which is the most popular size (suits most modern airguns & .22 rimfire rifles)
Tube Size: To fit 30mm diameter body tube scopes.
Bolt Type: Allen Key bolts - Allen Key(s) Supplied.
Clamp Design: Double Clamp (four bolts on each cap)
Front Lens Size: Up to 56mm