Briley Shotgun Magazine Extension Beretta Auto/Benelli Pump/Franchi 912 Variomax/Stoeger 12 Gauge +4 Rounds w/ Sling Swivel Polished Black

Briley Shotgun Magazine Extension Beretta Auto/Benelli Pump/Franchi 912 Variomax/Stoeger 12 Gauge +4 Rounds w/ Sling Swivel Polished Black. The extension is made of tough 6061 aluminum. This allows the tube to have a large wall thickness to improve rigidity without compromising overall weight. The tube screws down on the magazine and locks the fore end in place. The extension is supplied with a magazine tube spring. Specifications for Briley Beretta Auto/Benelli Pump/Franchi 912 Variomax/Stoeger