These extra high 40mm American Rifle Company M10 Scope Rings have a height of 36mm. Even under the heaviest of recoil, M10 Scope Rings hold firmly without damaging the scope. The split rings maintain reticle alignment during scope installation while their low profile leaves the shooter with a clear view of the turrets. American Rifle Company designs, manufactures, and markets the products necessary to defend our freedom so that we may live happily to pursue our dreams. The products are highly engineered, and derived from the pursuit of a truthful and comprehensive understanding of the fundamentals. American Rifle Company American Rifle M10 40mm Scope Rings 36mm H X-high M10-1-00-40-36