Valdada Sako MIL SPEC Picatinny Base 20 MOA One Piece 75 85 Magnum Action Black 7in Length VAL-Tac Base-2. They Have Been Engineered To Fit Magnum Actions. Just Need A Slight Tap Forward For Them To Seat Then Tighten For A Perfect Fit. 20 MOA Incline Built Into The Base. Specifications for Valdada Sako MIL SPEC Picatinny Base: Manufacturer: Valdada Color: Black Gun Make: Magnum Research Gun Type: Shotgun Rifle Length: 7 in Width: 0.75 in Height: 0.3 in Weight: 0.25 lb Additional Features: 20 MOA Base Gun Rail: Picatinny Features of Valdada Sako MIL SPEC Picatinny Base NEW 1 PIECE HD TACTICAL 1913 PICATINNY BASE DESIGN AVAILABLE FOR SAKO RIFLES WITH THE TAPERED DOVETAIL. THEY HAVE BEEN ENGINEERED TO FIT MAGNUM ACTIONS. JUST NEED A SLIGHT TAP FORWARD FOR THEM TO SEAT THEN TIGHTEN FOR A PERFECT FIT. 20 MOA incline built into the base. Package Contents: Valdada Sako MIL SPEC Picatinny Base Valdada VAL-Tac Base-2: Sako MIL SPEC Picatinny Base 20 MOA One Piece 75 85 Magnum Action Black 7in Length