Burris Signature Rings set the industry standard for quality. They have a reputation for reliable performance in any weather or shooting circumstance. Proven design has stood the test of time. Solid steel rings, ideal for hunting, are available for all types of optics and bases. Pos-Align Inserts offer tremendous gripping power and durability and will not damage the scope finish. Available in 1-in. and 30 mm sizes that work with standard, dovetail, double-dovetail, and Weaver-style bases Covered by the Burris Signature Warranty. Item Number Ring Style Size Ring Height Height to Center Finish Top Ring Torque Ring Cross Bolts Torque 420501 Universal Dovetail 1 in. Medium.77 in. Matte 20 inch-lbs 30 inch-lbs 420511 Universal Dovetail 1 in. High.89 in. Matte 20 inch-lbs 30 inch-lbs 420520 Weaver-style bases 1 in. Medium.77 in. Gloss 20 inch-lbs 30 inch-lbs 420521 Weaver-style bases 1 in. Medium.77 in. Matte 20 inch-lbs 30 inch-lbs 420522 Weaver-style bases 1 in. Medium.77 in. Nickel 20 inch-lbs 30 inch-lbs 420530 Weaver-style bases 1 in. High.92 in. Gloss 20 inch-lbs 30 inch-lbs 420531 Weaver-style bases 1 in. High.92 in. Matte 20 inch-lbs 30 inch-lbs 420554 Rimfire / Airgun 1 in. Medium.90 in. Matte 20 inch-lbs 40 inch-lbs 420556 Rimfire / Airgun 1 in. High 1.29 in. Matte 20 inch-lbs 40 inch-lbs 420578 Universal Dovetail 30 mm. Medium.78 in. Matte 20 inch-lbs 30 inch-lbs 420581 Universal Dovetail 30 mm. High.80 in. Matte 20 inch-lbs 30 inch-lbs 420582 Universal Dovetail 30 mm. Extra-High 1.02 in. Matte 20 inch-lbs 30 inch-lbs 420585 Weaver-style bases 30 mm. Extra-High 1.18 in. Matte 20 inch-lbs 30 inch-lbs 420587 Weaver-style bases 30 mm. High.93 in. Matte 20 inch-lbs 30 inch-lbs 420588 Weaver-style bases 30 mm. Medium.81 in. Matte 20 inch-lbs 30 inch-lbs 420590 Weaver-style rings 34 mm. High 1.25 in. Matte 30 inch-lbs 65 inch-lbs 420591 Weaver-style rings 34 mm. Medium 1 in. Matte 30 inch-lbs 65 inch-lbs.
UPC: 000381205315 · Mfr Part #: 420531
