Description
The 590 Shockwave took off because it crammed real 12 gauge capability into a package barely over 26 inches long. The one thing folks kept asking Mossberg for was a better way to aim it, since a firearm without a shoulder stock does not exactly lend itself to a traditional cheek weld and bead sight picture. This model answers that with a Crimson Trace LS-250 Lasersaddle mounted right at the factory. The red laser throws roughly a half-inch dot at 50 feet, with ambidextrous activation pads on both sides of the receiver and full windage and elevation adjustment so you can dial it to your preferred load.
Why the Laser Saddle Changes the Shockwave Game
Shooting from a compressed hold at waist or chest level takes practice with a standard Shockwave. Add the laser and the learning curve flattens out fast. You see the dot, you know where the pattern is headed, simple as that. The saddle sits low and snug against the receiver, so it does not snag or add bulk, and the whole setup still weighs in around six pounds.
Proven 590 Guts Underneath
Everything that made the 590 a favorite is here: twin action bars for smooth, bind-free cycling, dual extractors, positive steel-to-steel lockup, an anti-jam elevator, and the ambidextrous tang safety that falls right under your thumb. The 14.375 inch heavy-walled barrel wears a cylinder bore and matte blued finish, the 3 inch chamber handles stout defensive loads, and the tube holds 5+1. The magazine cap doubles as a clean-out port, which makes maintenance quicker than you would expect.
Handling the Mossberg 590 Shockwave CT
The Raptor bird's-head grip is shaped to roll with recoil instead of hammering your wrist, and the corn cob forend comes with a hand strap that keeps your support hand planted through fast pump strokes. For a truck gun, camp gun, or bedside setup where full-size shotguns feel clumsy, this is one of the most practical compact scatterguns Mossberg has ever put together, and the factory laser makes it genuinely usable the day you bring it home.
Key Specifications
- Manufacturer: Mossberg
- Model: 590 Shockwave CT
- MPN: 50638
- UPC: 015813506380
- Gauge: 12 Gauge, 3" Chamber
- Action: Pump Action
- Capacity: 5+1
- Barrel Length: 14.375" Heavy-Walled
- Choke: Cylinder Bore
- Overall Length: 26.37"
- Weight: 6 lbs
- Laser: Crimson Trace LS-250 Lasersaddle, Red
- Sights: Front Bead
- Grip: Raptor Bird's-Head Grip
- Forend: Corn Cob with Hand Strap
- Finish: Matte Blued
What’s Included
- Mossberg 590 Shockwave 12 gauge pistol grip firearm
- Factory-installed Crimson Trace LS-250 Lasersaddle with batteries
- Owner's manual
- Cable lock
Frequently Asked Questions
How do you activate the laser on the 590 Shockwave CT?
The Crimson Trace LS-250 Lasersaddle has pressure pads on both sides of the receiver, so a right or left handed grip lands naturally on the activation point. Press the pad and the red laser comes on instantly. It is also adjustable for windage and elevation, so you can zero it to your preferred defensive load.
Is the Mossberg 590 Shockwave hard to shoot without a stock?
It takes some practice with full-power buckshot, no way around that, but the Raptor bird's-head grip is shaped to redirect recoil so it rolls in your hand rather than pounding straight back. The laser is the real equalizer here, since you can confirm your point of impact without a traditional sight picture. Reduced-recoil defensive loads make range sessions a lot more pleasant too.
What ammo can the 590 Shockwave CT Laser Saddle handle?
It has a 3 inch chamber, so it will run 2.75 and 3 inch 12 gauge shells including buckshot, slugs, and birdshot. The cylinder bore works well with defensive buckshot at typical inside-the-home distances. Keep in mind capacity is 5+1 with 2.75 inch shells and drops slightly with 3 inch magnums.
Does the laser saddle get in the way of the action or loading?
No, the LS-250 was designed specifically for the 590 platform and hugs the receiver tightly. The loading port, ejection port, and tang safety all stay fully accessible, and the pump stroke is unaffected. It comes mounted from the factory, so there is no fitting or gunsmithing needed on your end.





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