Feature XASR-3038 30mm 1-Piece Extreme High Picatinny AR Mount Extreme High 50mm / 1.97in Central Height Provides Upright AR Shooting Position CNC Machined 6061-T6 Aluminum Picatinny Mount Weighing Just 161g / 5.68oz Four-Screw Per Ring Design Picatinny Mount Ensures Secure Scope Retention Cantilever Design Extends the Scope Forward for More Comfortable Eye Relief Specification XASR-3038 30mm 1-Piece Extreme High Picatinny AR Mount Specification Details Ring Dia 30 mm Height 72 mm / 2.83 in Central Height 50 mm / 1.97 in (Bottom to Center) Length 140 mm / 5.51 in Material 6061-T6 Aluminum Alloy Weight 161 g / 5.68 oz Mount Picatinny Finish Matte Black/Coyote FDE Items in the Package T15 Torx Wrench, Retail Package Size