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.Securely attach your scope to any m16 variant with a carrying handle using this rugged mount.Delivers rock-solid stability for repeatable accuracy.Use with leupold qrw mounts.
Type: 1-Piece Base Model: Mark 4 Style: 1-Piece Misc: No Gunsmithing Required Finish: Matte Black Material: Steel Pieces: 1 Gun Type: AR Platform Rings Included: No
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