Fitted with 20" shrouded barrel, bayonet lug, Parkerized or blued finish. Speed feed stock. Ghost ring sights. Introduced in 1987. Weight about 7.25 lbs.

Marinecote finish.

12-gauge introduced in 2000. Features 6-round tubular magazine and 18.5" barrel. Choice of plain bead sight or ghost ring. Choke is Fixed Modified. Weight about 7 lbs. A 14" barreled model also offered, but NFA rules apply. NOTE: Add $50 for ghost ring sights.

Model 500 with 20" barrel and 9-shot magazine. Introduced in 1989; discontinued.

A 12-gauge pump with 3" chamber, 20" long heavy-walled barrel, measures 41" overall. Ghost ring/AR-style sights. Length of pull 13.875". Features synthetic Speedfeed stock and Parkerized finish. Thumb safety atop receiver. Capacity 8+1 rounds; weight 7.25 lbs. Blackwater logo etched on receiver.

Pump chambered for 3" 12-gauge loads. Features protective heat shield on 20" barrel. Overall length 40.875". Has synthetic Speedfeed stock. Bead front sight. Tri-Rail fore-end, with removable side rails and integral bottom rail. Extended magazine gives an 8+1 capacity. Matte blue finish. Length of pull 13.8". Weight 7.25 lbs.

Features adjustable aluminum stock and ghost ring sights. Heavy-walled barrel 20" long. Length of pull can be adjusted between 10.5" and 14.25". Weight 7.5 lbs. Capacity 8+1. Parkerized finish.

Magazine-fed variant, with 11-round capacity. Introduced in 2018.

9-shot 12 gauge has a 20-inch heavy-walled, Cylinder bore barrel with a heat shield, bayonet lug and Ghost Ring sights. Parkerized finish; metal trigger assembly; metal safety button; full-length walnut stock and corncob forend.

18.5-inch (6-shot) cylinder bore, standoff barrel with matte-blue finish. Front red-fiber-optic bead sight. Synthetic stock and tri-rail corncob forend, both in KUIU Vias camouflage. Thunder Ranch logo is engraved on the right side of the receiver.

Compact variant of 590 series, with bird's-head pistol-grip and Cylinder choked 14" barrel. Available in 12-, 20-gauge or .410 bore. Includes features found on other 590 models: ambidextrous thumb safety, dual extractors, positive steel-to-steel lockup, twin action bars and an anti-jam elevator. Bureau of Alcohol, Tobacco, Firearms & Explosives has confirmed the 590 Shockwave as a "firearm" per the Gun Control Act (GCA), but not a Class 3/NFA firearm. This only speaks to its federal status. There could be local state laws that prohibit the sale of this gun in your state. Consult your State Police for clarification. As with any other pistol-grip firearm, the buyer must be 21 years of age and a resident of the state where it is purchased. MSRP $455. Introduced in 2017.

Gauge: 12 ga. 1.7–3 in. Barrel: 14.375 and 18.5 in. Length: 26.37–30.75 in. Weight: 5.3–5.5 lbs. Stock: Black synthetic with Raptor grip and corn-cob forend with strap. Features: The upgraded 590S version of the pistol grip Shockwave is built to cycle any length shells without adapter or adjustment, from 1.75 to 3-in. Bead front sight, matte blued metalwork, shorter-barreled model uses heavy-walled barrel. Both feature fixed cylinder bore choke.

Gauge: 12 ga. 3 in. with 1.75-in. short shell and 2.75 in. capability. Barrel: 18.5 or 20 in., matte blued. Length: 39.5–41 in. Weight: 6.75–7.25 lbs. Stock: Black Synthetic with fixed LOP; Model with Ghost ring sights uses tactical stock with M-LOK attachment points. Features: Standard model with 18.5-in. barrel allows capacities of 9+1, 6+1, or 5+1. Model with 20-in. barrel and ghost ring sights has capacities of 13+1, 8+1, or 7+1. The former uses a fixed cylinder bore. The latter features the Accu-Choke system with cylinder bore choke included. Both models cycle all length of shells without adapters or adjustment.