The 590S will be offered in four configurations: Two full-stocked models, with 18.5-inch and 20-inch barrels respectively, and two pistol-grip “Shockwave” models with 14-inch and 18.5-inch barrels respectively. All will be cylinder bored. The 20-inch full-stocked model will feature an adjustable Ghost Ring sight, all others will sport simple beads. The same model will have an M-Lock compatible forend. The full-stocked 18.5-inch model will sport a corncob-type forend, while the Shockwave models both feature strapped forends; meaning they have a strap that fits around the shooter’s hand and helps control recoil. Stocks on all four models are black synthetic, metal finish is Matte Blue, and weight ranges from 5.3 pounds up to 7.25 pounds. All models feature top-mounted ambidextrous safeties. MSRP will come in at $708 for the model with the Ghost Ring sight and M-Loc forend and $605 for the other three models.