Green Blob Outdoors (30mm w 1 inch Inserts Rings Dark Earth/Tan Rifle Tactical High Profile Picatinny Scope Rings w/Accessory Rail for Lasers, Flashlights, Nikon, Leupold, Vortex, Burris We are centrally located and ship from Central Texas 30mm/1 inch Dark Earth Scope Rings include all heat treated steel and aluminum construction and Precise machining (N49) These 30mm/1 inch rings are milled as a tough matching units, and both ring tops feature Picatinny tops for mounting additional accessories. Made of T6061 Aircraft grade Aluminum Ring tops feature picatinny rails for mounting laser flashlight and compact red dot and so on accessories.