Sig Sauer Alpha Aluminium Hunting Rifle Scope Rings 30mm (Matte Black)Sig Sauer Alpha 30mm scope rings a matched pair of high rings in matte black. Aluminum construction, 1. 12 in height, and Picatinny attachment make these rings suitable for mounting 30 mm hunting scopes that need extra clearance. Matte Finish Reduces glare and keeps the setup low visibility in outdoor conditions. High 1. 12 in Height Provides clearance for larger objective lenses and taller rifle actions. 30 mm Tube Fit Securely fits 30 mm scope tubes