This one-piece aluminum base is machined to tight tolerances for a custom fit.It offers maximum strength for rings to hold tight.Screws are included.Fits mossberg 400; remington 10, 11, 12, 34*, 341*, 510, 511, 512 & 521t.*may require bolt and/or safety alteration, otherwise firearm cannot function safely and properly.Consult with a qualified gunsmith.
Type: 1-Piece Base Model: Top Mount Style: Top Mount Misc: N/A Finish: Black Material: Aluminum Pieces: 1 Rings Included: No
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