S&J Hardware Mossberg 590 +1 Mag Tube Extension
CNC Milled from a solid block of 4140 steel.
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
3 position front sling mount.
+1 tube length is 2.75 inch
Rangeview Sports Canada
License Gun Shop in Newmarket, Ontario