This rail system offers two 3-slot picatinny rails for Mossberg 590/Shockwave .410 Bore firearms. This kit includes a rail system machined from solid 6061-T6 billet aluminum and a steel swivel screw. The rail has a black hard-coat anodized finish to match the firearm's factory finish and for increased durability. Attaches over the magazine cap for an easy 30-second installation. (Optics shown not included)
*May have interference with aftermarket forends installed on 14" barrel Shockwave.*