Nightforce X-Treme Duty Ultralite Rings Available in both four-screw and six-screw versions. 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 percent more clamping force, the six-screw Ultralite rings will hold your riflescope under any conceivable situation. Our Ultralite rings are offered in six heights for 30mm tubes and four heights to fit 34mm tubes. - Approved for use under the heaviest of recoil conditions - CNC machined 7075-T6 black aluminum bodies and titanium beta series cross bolt and jaw NOTE: Clean all mating surfaces thoroughly before mounting. Use a torque wrench and do not exceed recommended torque values: Crossbolts: 4-screw models - 68 in-lb 6-screw models- 100 in-lb Cap Screws: All models- 25 in-lb

NOTE - Clean all mating surfaces thoroughly before mounting. Use a torque wrench and do not exceed recommended torque values. HIGH PERFORMANCE 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 scope under any conceivable situation. CONSTRUCTION - The unique construction of the rings provides strength well beyond that normally found in lightweight rings. MATERIALS - Rings sets are crafted of machined 7075-T6 hard anodized aluminum, with titanium crossbolts and jaws, they give you the performance of steel at half the weight. NIGHTFORCE X-TREME DUTY ULTRALITE RINGS - Nightforce X-Treme duty ultralite rings are available in both four-screw and six-screw versions.

Date First Available: June 17, 2003. Best Sellers Rank: #46,284 in Sports & Outdoors. Customer Reviews: 4.7 out of 5 stars 213 ratings 4.7 out of 5 stars. : B002DOFCWM. Size: ?1.125" High. Included Components: ?item. Style: ?Modern. Part Number: ?A107. Manufacturer: ?NightForce. Number of Items: ?1. Suggested Users: ?unisex-adult. Material: ?other. Color: ?Black. Model Name: ?X-Treme Duty Ultralite Aluminum 30mm 4 Screw Ring Set. Brand Name: ?NightForce. Item Dimensions LxWxH: ?3.8 x 2.4 x 2.3 inches. Package Weight: ?2.4 Ounces. Item Package Dimensions L x W x H: ?5.6 x 4.7 x 1 inches.