Pride Fowler Industries AR Picatinny/Weaver-Style Optic Mount Alluminium 30mm One-piece Black. This 30 mm Rifle Scope Mount utiliezes (8) heavy duty screws to secure the scope in place and maintain zero. The one-piece ring mount utilizes (3) heavy duty steel nuts and bolts to attach the scope to your rifle's picatinny or weaver base. Max torques on nuts is 45 Lbs screw Max torques is 15 Lbs. Specifications for Pride Fowler Industries AR Picatinny/Weaver-Style Optic Mount: Manufacturer: Pride Fowler Industries Gun Rail: Picatinny Fabric/Material: Alluminium Color: Black Tube Diameter: 30 mm Length: 4 in Weight: 7 oz Gun Type: Semi-Automatic Rifle Finish: Matte Features of Pride Fowler Industries AR Picatinny/Weaver-Style Optic Mount Lightweight alluminum design Solid One-Piece Construction 4 inches long 1 1/2 inches from base to center of ring Package Contents: Pride Fowler Industries AR Picatinny/Weaver-Style Optic Mount Pride Fowler Industries PFI-ARMOUNT: AR Picatinny/Weaver-Style Optic Mount Alluminium 30mm One-piece Black