Briley Shotgun Magazine Extension with Picatinny Rail 12 Gauge (Franchi Affinity, Intensity, I-12)

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: 
Franchi Affinity 3
Franchi Affinity 3.5
Affinity
Intensity
I-12

Overall Length 
+2 shots - 7.000" 
+4 shots - 11.375" 
+6 shots - 13.500"

Outer Diameter 1.2"