Briley Mfr Benelli/Breda Semi-Auto Shotgun Magazine Extension 12 Gauge - 6 Round - Matte Black - Without Sling Swivel - BRI-TSPA-52MAT

Magazine Extension with Picatinny Rail:  This is the same sturdy Briley magazine extension made to accept a dual Picatinny rail. The system includes a dual Picatinny rail with QD attachments for slings. The Picatinny can move at least 270° around the tube and for optimum positioning and is locked down firmly by a castle nut using a dedicated supplied wrench. Hang you favorite light or laser on it or both at the same time. Package includes magazine tube spring.   

Fits:
Benelli M1, M2, Super Black Eagle I II & III, and Super 90
Breda