Mark 4 tactical bases are the only bases to accommodate both the oversized 8-40 screw and a 6-48 screw, providing compatibility with the widest range of modern tactical firearms.Both styles of screws are included with each mark 4 base.Fits- savage 10/110 sa moa 20.
Type: 1-Piece Base Model: Mark 4 Style: 1-Piece Finish: Matte Black Material: Steel Pieces: 1 Gun Type: Rifle Mount Type: Screws Rings Included: No
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