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.