The Primary Arms Deluxe AR-15 Scope Mount is ideal for M4, AR-15, and similar ?flat-top? 1913 Picatinny mounting platforms. Aluminum construction, durable matte black anodized finish. 2.52 inches of clearance between the rings. Places the center of your 1 inch tube scope 1.5 inches above the rail. Fits scopes with 1 inch tubes. This tough mount features a 1-year warranty.

To make sure that the mount nut is fully tightened, turn the nut clockwise until resistance is encountered. After that, turn another 1/2 turn. If a torque wrench is being used, we recommend no more than 35-40 in-lbs.