FN 509T polymer magwell with backstrap Springfield XDM DPP & K-series footprints –

DPP & K-series footprints – accepts any red dot built to this footprint

Adjustable polymer stock for Mossberg JM 930 and Mossberg JM 940

Adjustable polymer stock for Benelli M4

compatible with any red dot sight built to the RMR

zero-play connection between mount and optic

FN 509T polymer magwell with backstrap Springfield XDM DPP & K-series footprints –Polymer magwell for FN 509T. Full compatible model list below. Flared magazine entry with integrated backstrap bolt on fit, no gunsmithing. Flared opening guides the magazine in cleanly for faster, more reliable reloads. Integrated backstrap improves grip stability and consistent hand placement. Made in Italy by Toni System.