Burris 410335 (Any Generation Fastfire) Mounting Plate,Picatinny/Weaver Rail Mount. New in package. 40.00 TYD
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Pictures on eBay:
https://www.ebay.com/itm/Burris-410335-Fastfire-II-Mounting-Plate-Picatinny-Weaver-Rail-/265462158588?mkcid=16&mkevt=1&_trksid=p2349624.m46890.l49286&mkrid=711-127632-2357-0