Mossberg 590A1 Series Magazine Extension
SJ HARDWARE
$101.99
Unlock the full potential of your Mossberg 590A1 with our robust magazine extension.
This accessory boosts your shotgun’s capacity, allowing for more rounds between reloads. Crafted for durability and a perfect fit, it ensures consistent performance in every situation. Elevate your shooting experience with this essential upgrade.
+1 - 2.25 inches
+2 - 4.5 inches and is designed for pre-2017 590/590a1 or 835
Fits Mossberg:
- 590
- 535
- 835
Comes with our:
- CNC Machined Green No-Jam Delrin Mag Follower
- Million Cycle Count Spring & 3 Position Front Sling Mount.
CNC Milled from a solid block of 4140 steel.
Finish: Cerakote Graphite Black.
100% Made in Canada.
- omnisend_last_sync:
- 2025-01-02T03:39:05+00:00
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Reviews
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Customer review
This fit my model Mossberg model 50765 590A1 perfectly and went on easily. The quality, workmanship, and finish are flawless. After removing the mag tube nut, be careful when removing the factory spring stop, which is very tightly installed. I used a flat screwdriver, protecting the fine threads on the thin tube by keeping a thumb just past the end of it so the screwdriver couldn't hit the tube. There was no need to remove the mag tube to install the SJ follower. Instead, once the spring is out, push the follower forward as far as you can, then feed a bit of the old spring in through the receiver and push the follower a few inches, then remove the spring, and then point the shotgun's muzzle at the floor and shake it, up and down, and it should just slide right out.