Vortex Optics Sport 30mm Rifle Scope Ring - Matte Black - Unlock your accuracy with lockdown rings built to endure centerfire recoil, the elements, and everything else you throw their way. There is no better ring to get you in the field faster or easier. Features: Type 2 low-glare matte black anodized Integrated recoil lug\6061 aluminum Laser engraved tor\ue specifications Picatinny/Weaver mount compatible