S&J Hardware NoJam Design
Mossberg Type 3 Magazine Follower
For 12 Gauge
CNC Machined from a solid piece of DuPont Delrin.
Said to be Self lubricating
Impervious to all types of solvents.
Designed for Mossberg 590 and Mossberg 500 Shotguns
Considered to be the best tactical follower available.
The hollow on the face of the follower tells you by touch that your magazine is empty.
The inside diameter of this follower is .700 in
Most Mossberg factory springs measure .685 inches at the last coils.
Measure your spring to guarantee fitting.
Here is how to install a S&J Hardware follower in a Mossberg 500.