Primary Arms 34mm PLx Cantilever Mount 1.5in Black. The offset design of these One Piece Rifle Scope Mounts by Primary Arms make it a great choice for low-powered variable scopes that are so popular today. The Primary Arms Deluxe AR-15 Rifle Scope Mount is made from solid aluminum with a sleek yet durable black anodized finish. For a tough mount that will look great with your favorite gun and scope choose the Primary Arms Deluxe M1913 Mount for Scopes. Specifications for Primary Arms Classic Deluxe AR-15 Scope Mount: Manufacturer: Primary Arms Gun Rail: Picatinny Fabric/Material: Aluminum Gun Make: AR Platform Color: Black Ring Height: 1.5 in Weight: 8.2 oz Gun Model: AR-15 Finish: Hardcoat Anodized Gun Type: Rifle Quantity: 1 Package Type: Box Features of Primary Arms Classic Deluxe AR-15 Scope Mount: 7075 Aluminum construction 12.9 Grade steel hardware Three bolt design for increased strength Dual recoil lugs For 30mm scope tubes 1.5'' Optical centerline Primary Arms lifetime warranty Package Contents: Primary Arms Classic Deluxe AR-15 Scope Mount What firearm models does the manufacturer say Primary Arms Classic Deluxe AR-15 Scope Mount is compatible with? The manufacturer says that Primary Arms Classic Deluxe AR-15 Scope Mount is compatible with AR-15Primary Arms 910086: 34mm PLx Cantilever Mount 1.5in Black