Briley Mossberg Shotgun Magazine Extension 12 Gauge - MA, NJ Compliant

This extension allows you to increase the ammunition capacity of the shotgun. 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. 

Fits: 
Mossberg 930, 940 and others
PLEASE NOTE, DOES NOT FIT THE 500 or MAVERICK 88 MODELS

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

Outer Diameter 1.2"