Crafted of machined 7075-T6 hard anodized aluminum, with titanium crossbolts and jaws, they give you the performance of steel at half the weight. This unique construction provides strength well beyond that normally found in lightweight rings.
The four-screw ring will provide a lifetime of service for most applications. If you think you need 50% more clamping force, the six-screw Ultralite rings will hold your riflescope under any conceivable situation.