The Talley 1 Inch Tactical Ring (Black Armor) (High) are heavy-duty scope rings precision-machined from solid billet aluminum with dual recoil lugs to ensure your tactical scope won"t budge under the heaviest recoil. Full-width ring caps are cut from the same billet as the bottom half of the ring for precise fit and held in place with four stainless steel Allen head screws that won"t work loose when properly tightened. Matching serial numbers ensure you always mate the cap with the bottom it came with. Locking bar, heavy-duty crossbolt and oversized, ½ inch hex nut locks the ring to any MIL-STD 1913 Picatinny rail. Hard-anodized for extra surface strength, with a non-reflective matte black finish. Engraved front and back with the distinctive Talley cross-bones logo.