The Lancer Systems shotgun extension tube for Mossberg 590 Plus extends your shotgun’s magazine capacity by 6 rounds. This 14.5″ extension attaches directly to your existing magazine tube, combining machined aluminum components with a lightweight carbon-fiber tube for a durable, weight-conscious upgrade.
An extra-long spring is included that can be cut to optimize loading. Extension clamps are recommended for extension tubes that extend beyond the end of the barrel.
Specifications: 1.70 x 6.55 x 15.60 inches. Material: carbon fiber and aluminum.
