The 590 Shockwave is a 590 pump with a Raptor bird's head grip in place of a stock. Mossberg's standard Shockwave has a 14.375 inch barrel and a 26.37 inch overall length, and Mossberg says ATF classes it as a non-NFA firearm, not a shotgun. We list the 12 gauge, 20 gauge and 410 Shockwaves, the 590S and 590M versions and the wood grip Nightstick. Every count and price on this page is live.Mossberg's pump with a bird's head grip and no stock: 12 gauge, 20 gauge and 410.
Prices from $458.08 to $823.12, as of Nov 13, 2026.
Pick your Shockwave
Every Shockwave model we list, with the count in stock and the lowest price for each.
All Shockwave firearms
15 in stock. Sold out listings stay up, after the ones you can buy today.
Compare Shockwave models
The most listed size for each model in stock.
As of Nov 13, 2026
Compare Shockwave models
The most listed size for each model in stock.
| Model | Stock / finish | Barrel | Capacity | Gauges | In stock | From | Shop |
|---|---|---|---|---|---|---|---|
| 590 Shockwave, 12 gauge | Blued | 14.38 in | 5 | 12 Gauge | 6 | $459.19 | Shop |
| 590S Shockwave | Blued | 14.38 in | 8 | 12 Gauge | 4 | $543.20 | Shop |
| 590M (box magazine) | Blued | 14.38 in | 10 | 12 Gauge | 1 | $823.12 | Shop |
| Nightstick | Wood | 14.38 in | 5 | 12 Gauge | 2 | $558.81 | Shop |
| 20 gauge | Synthetic, blued | 14.38 in | 5 | 20 Gauge | 1 | $459.19 | Shop |
| 410 bore | 14 in | 410 Bore | 1 | $458.08 | Shop |
Source: barrel, capacity and gauge are taken from our in-stock listings for each model.
Built for your Shockwave
Chokes, slings and parts that fit the Shockwave, from Mossberg and other makers. Parts ship to your door where your state allows.
Shockwave models
The 590 Shockwave comes in 12 gauge, 20 gauge and 410 bore, and our listings include special editions such as the SPX, the Laser Saddle and the Shock n Saw. The 590S Shockwave cycles 1.75, 2.75 and 3 inch shells in any mix, Mossberg says, and the 590M versions feed from a detachable double stack box magazine. The Nightstick has a wood grip and forend.
Most of our Shockwave listings have the 14.375 inch barrel; a few are titled with an 18.5 inch barrel, so read the barrel length on each listing. In stock now: 590 Shockwave 12 gauge (6), 20 gauge (1), 410 (1), 590S Shockwave (4), 590M (1), Nightstick (2).
Is it legal where I live?
Mossberg says ATF classes its standard Shockwave as a non-NFA firearm: it has a 14.375 inch barrel, no shoulder stock and a 26.37 inch overall length. It ships to your FFL dealer like other guns. Some states and cities restrict it anyway, so check your state's laws and our state restrictions page before you order. This page lists grips, lights and saddles made for it, never stocks or braces.
Shockwave parts
Laser saddles, forend lights, rails and other parts whose listings name the Shockwave are in the parts section of this page, from Crimson Trace and other makers.
Shockwave or 990 AfterShock
The Shockwave is a pump. The 990 AfterShock is Mossberg's semi-auto 12 gauge with no shoulder stock, listed with 14.75 and 18.5 inch barrels. For a 590 with a full stock, see the 590.
Buying a gun online
Grips, lights and most parts ship to your door where your state allows. Check state restrictions before you order, and read how buying a gun online works. Firearms can go on layaway, and financing shows at checkout when the order qualifies.
More Mossberg lines
Mossberg Shockwave FAQ
Is the Mossberg Shockwave a shotgun?
Not under federal law, Mossberg says. It fires 12 gauge, 20 gauge or 410 shells, but Mossberg's standard Shockwave has a 14.375 inch barrel, no shoulder stock and a 26.37 inch overall length, and ATF classes it as a non-NFA firearm. Your dealer transfers it like other guns.
Is the Shockwave legal in my state?
Federal law allows it, but some states and cities restrict it. Check your state's laws and our state restrictions page before you order.
What is the difference between the 590 Shockwave and the 590S Shockwave?
The 590S Shockwave cycles 1.75, 2.75 and 3 inch shells in any mix with no adapter, Mossberg says, so short shells add capacity. The 590 Shockwave is made for 2.75 and 3 inch shells.
Which gauges does the Shockwave come in?
Our Shockwave listings include 12 gauge, 20 gauge and 410 bore. Pick a gauge in the filters above the grid.
Do you have the Mossberg Shockwave in stock?
In stock as of Nov 13, 2026: 15. Stock changes daily, and listings that sell out stay on this page after the ones you can buy today.
Do you ship Mossberg Shockwaves to my house?
No. A firearm bought online ships to a licensed dealer (FFL) you pick at checkout, and you fill out the transfer paperwork there. Grips, lights and most parts ship to your door where your state allows.

















