Geissele Super Precision ACOG Series Scope Mount Black. These mounts are precision machined from a single piece of 7075-T6 high strength aluminum. They will also be available in black type 3 hard coat anodize as well as our proprietary DDC (Desert Dirt Color) type 3 hard coat anodize. Utilizing Geisseles update of the classic nut and bolt method this mount will attach your ACOG to your weapon with 2800 pounds of clamping force and features 4 shear lugs for maximum rigidity and return to zero. Specifications for Geissele Super Precision ACOG Series Scope Mount: Manufacturer: Geissele Height: 0.375 in Gun Rail: Picatinny Fabric/Material: 7075-T6 Aluminum Gun Make: AR Platform Length: 4.625 in Weight: 3.168 oz Gun Model: M4 AR-15 Width: 1.875 in Condition: New Country of Origin: USA Package Contents: Geissele Super Precision ACOG Series Scope Mount What firearm models does the manufacturer say Geissele Super Precision ACOG Series Scope Mount is compatible with? The manufacturer says that Geissele Super Precision ACOG Series Scope Mount is compatible with AR-15 M4Geissele 05-403B: Super Precision ACOG Series Scope Mount Black