Evolution Gun Works HD Picatinny Scope Mount Mossberg MVP 5.56 204 20 MOA. Mounting Hardware:#6-48 X 1/4 Screws and T-10 Bit IncludedTorque Specs: 20 in/lbsCenter Spread:3.02"Overall Length of Mount:5.882"Standard vs. HD railsThis mount is made specifically for the Mossberg MVP 5.56. Please check your center spread to make sure this rail will fit your application.The center spread is the distance between the two middle holes center to center on your receiver.These bases sit at approximately 0.35 high.Picatinny cross slots run the full length of the rail which gives the shooter flexibility when mounting scope rings and other accessories. The cross slots are also machined the full width of the mount and gauged to MIL-STD 1913 specs maintaining tolerances of +/-.002".After machining; the mounts are tumbled and sand blasted. The aluminum mounts are Type III hard coat anodized for long lasting durability. The steel rails are Mil Spec parkerized for a durable rust resistant finish.Werecommend:0 MOA -if shooting 0-500 yards20 MOA -if shooting 500-1000 yardsWhen zeroing your rifle with a 20 MOA mount we recommend zeroing at 200 yards.Compatible with Picatinny or Weaver scope rings. Add EGWs HD Scope Rings to make it a complete packageFrom manufacturing to packaging EGWs products are made with pride in the USA.Installation: EGW recommends 20 inch lbs of torque and a drip of blue loctite (loctite is available through our website and is sold separately). Specifications for Evolution Gun Works HD Picatinny Scope Mount Mossberg: Manufacturer: Evolution Gun Works Color: Black Included Accessories: #6-48 X 1/4 Screws T-10 Bit Gun Rail: Picatinny Finish: Matte Black Hardcoat Gun Make: Mossberg Mount Type: Picatinny Ring Type: Picatinny/Weaver Fabric/Material: 7075-T6 Aluminum Height: 0.35 in Hand: Ambidextrous Attachment Type: Picatinny Quantity: 1 Package Contents: Evolution Gun Works HD Picatinny Scope Mount Mossberg What firearm models does the manufacturer say Evolution Gun Works HD Picatinny Scope Mount Mossberg is compatible with? The manufacturer says that Evolution Gun Works HD Picatinny Scope Mount Mossberg is compatible with Mossberg Model 500 Mossberg Model 835 Mossberg Model 590 Mossberg MVP 5.56mm Mossberg MVP .308Evolution Gun Works 80812: HD Mossberg MVP 5.56 Scope Mount 20 MOA