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Weaver No. 417M Base Mossberg 500 590 & 835 Standard 1-Piece Detachable Top-Mount Base Black Matte

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No. 417M base

Fits Mossberg 500 made after 1997, 590 & 835 shotguns
Includes custom-hardened fastening screws for mounting 

Item#: 63283
Total number of Reviews: 2

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5.0 5
"I received my Weaver 417M base. The base is made for a Post 1997 Mossberg Model 500, so be sure you get one. The base fit perfectly. The only thing I would suggest is getting some blue loctite for the supplied screws and adding a drop to the threading and a single drop to the bottom of the rail before mounting it. This will help the screws from backing out due to vibration from firing."
5.0 5
"Fitted it on my Mossberg 535 waterfoul turkey combo to use a Red dot sight and it works great, easy to apply."