Mossberg 590 A1 +1 Mag Extension Nickel


Mossberg Shockwave, 590, and 590 A1 +1 Mag Extension

Nickel Finish

CNC Milled from solid steel

Best +1 Extension for Mossberg

Perfect for the New Mossberg 590 and 590 A1 with the factory one-piece 6 shot magazine tube.

Includes extension, spring, follower, and 3 point sling plate.

Magazine tube spring must be trimmed to fit.

The best there is.

Out of stock