Evolution Gun Works Picatinny Scope Mount Ultimate Duty Sako TRG 20 MOA 7.003in Steel Parkerized Finish. Mounting Hardware:Socket Head Torx 15 Screws and Wrench ProvidedTorque Specs: 20 in/lbsCenter Spread:3.768"Overall Length of Mount:7.458"These mounts are a customer overrun and have an integrated recoil lug.These bases sit at approximately 0.39 high and are not recommended for use with quick disconnect rings due to the valley down the center.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 gauged to MIL-STD 1913 specs maintaining tolerances of +/-.002".After machining; the mounts are sand blasted. The steel rails are Mil Spec parkerized for a durable rust resistant finish.This mount is only available in20 MOA -for 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 packageInstallation: 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 Picatinny Scope Mount Ultimate Duty Sako: Manufacturer: Evolution Gun Works Color: Black Finish: Parkerized Fabric/Material: Steel Quantity: 1 Cant: 20 MOA Hand: Ambidextrous Gun Make: Sako Gun Type: Rifle Length: 7.003 in Height: 0.35 in Mount Type: Picatinny Gun Rail: Picatinny Ring Type: Picatinny/Weaver Attachment Type: Picatinny Package Contents: Evolution Gun Works Picatinny Scope Mount Ultimate Duty Sako Evolution Gun Works 86812: Ultimate Duty Sako TRG Picatinny Scope Mount 20 MOA 7.003 in Steel Parkerized Finish