Mossberg 590 Shockwave Nightstick 12 Gauge, 14.375 in Heavy-Walled Barrel, Walnut-Stain Wood, Brass Bead, TacStar 6-Round Sidesaddle
This Mossberg 590 Shockwave Nightstick (SKU/Mfg. Part No. 50651) stands out with its factory 14.375 in heavy-walled cylinder bore barrel, compact overall length of approximately 26.37 in, and classic walnut-stain wood furniture with a leather forend strap. It is chambered for both 2 3/4 in and 3 in shells and includes a professionally installed TacStar 6-round sidesaddle for on-board shell storage. Made in the USA, this Nightstick configuration delivers the distinctive 590 feature set in a compact, wood-furnished package.
Condition
Overall Condition: Good condition, showing some signs of prior use and handling.
Bore Overall Condition: Excellent - Clean, mirror finish, no signs of wear.
Specific Condition Details: There are minor, superficial scratches and blemishes from prior handling.
What’s Included
- Mossberg factory cardboard box (SKU 50651 label visible)
- TacStar six-shell sidesaddle, installed on receiver
The Nightstick variant pairs a 14.375 in heavy-walled, cylinder bore barrel with a compact overall length of about 26.37 in. The magazine tube ends short of the muzzle with a small barrel overhang ahead of the magazine cap, and capacity is 5+1 with 2.75 in shells. The chamber accepts both 2 3/4 in and 3 in 12-gauge loads.
Its walnut-stain wood bird's-head grip and wood corncob forend are complemented by a leather forend strap embossed with Mossberg branding. A brass bead front sight provides a simple, durable sighting reference, and the metalwork wears a matte black finish.
Core 590-series features include twin action bars, dual extractors, and steel-to-steel lockup. The aluminum alloy receiver is drilled and tapped, with plug screws visible. A top-tang safety offers familiar Mossberg control placement.
This example is customized with a TacStar 6-round sidesaddle mounted to the receiver, with the receiver pins/screws replaced to accommodate the sidesaddle installation. The setup keeps spare shells immediately accessible.
Identified as Mossberg SKU/mfg. part number 50651, this U.S.-made Nightstick reflects the factory configuration details specific to this model, including its heavy-walled barrel, wood furniture, and compact format.