The Weaver Premium Modern Sporting Rifle (MSR) Optics Mount is engineered specifically for MSR rifles featuring 30mm fixed mounting with premium 7075-T6 aircraft-grade aluminum construction and a durable Type III hardcoat anodized black finish.Weaver Premium MSR 30mm Fixed Optics Mount7075-T6 aircraft-grade aluminum construction for lightweight strength3600 lbs of clamping force - more than any other lever-mounting arrangementDouble recoil lugs lock mount securely into placeForward cantilever design sets optics at ideal height for MSR riflesTorx-head screws for secure attachmentRadiused edges prevent snaggingType III hardcoat anodized black matte finishMade in AmericaDesigned for modern sporting rifle enthusiasts who demand premium quality and reliable performance this mount delivers exceptional durability while adding minimal weight to your rifle setup.