S&J Hardware Mossberg 590 +2 Mag Tube Extension
Comes with our CNC machined green no-jam delrin mag follower and i million cycle count spring and 3 position front sling mount.
Made in Canada.
Will fit Mossberg 590 series
+2 is 4.75inch and is designed for pre-2017 590/590a1 or 835
Rangeview Sports Canada
License Gun Shop in Newmarket, Ontario