Ncstar RB26 Heavy Duty Picatinny / Weaver 30mm Scope Rings With 1" Inserts Can be used with 30mm tube scopes and 1" Scope Tubes. Steel Lock down nut is heavy duty. Has 4 Steel lock down allen head bolts per scope ring cap. Accepts both 30mm and one inch scopes comes with inserts Machined from solid stock. Lifetime Warranty.
INSERT: 1 INCH
RING MATERIAL: T6 AIR CRAFT GRADE ALUMINUM