Weaver Mounts Top Mount, Weav 48042 42 Top Mnt Base

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