Mossberg MSBRG 590S SHOCKWAVE CA 12/18.5/CYL
$533.14
The Mossberg 590s Shockwave is a versatile 12-gauge shotgun designed for home defense and tactical applications, featuring an 18.5″ matte blue barrel and an innovative Raptor grip with a corn-cob forend for superior control. With a capacity of up to 9 rounds using 3″ shells and the ability to cycle 1.75″ short shells, this lightweight 5.5 lb firearm is built for quick handling and reliability. Ideal for those who demand performance in a compact package.
3 in stock
Mossberg 590S, Shockwave, Pump Action, 12 Gauge, 3″ Chamber, 18.5″ Barrel, Matte Blued Finish, Shockwave Grip, Bead Sight, 9 Rounds, California Compliant, Cycles 1.75″, 2.75″, or 3″ Shells 51600
| Weight | 7.375 lbs |
|---|---|
| Dimensions | 33.500 × 7.750 × 3.000 in |
| Manufacturer | Mossberg |
| Barrel Length | 18.5″ |
| Capacity | 9 + 1 |
| Action | Pump Action |
| Finish | Matte |
| Caliber / Gauge | 12 Gauge |
| Overall Length | 30.75″ |
| Caliber | 12 Gauge |
PROCESSING & SHIPPING
Orders typically ship within 1–3 business days (Monday–Friday) after payment and all required documentation are received. Time to arrival after shipment depends on the carrier. Shipping method is at BT Gun Company’s discretion; ammunition and oversized accessories are charged at actual shipping cost. We do not ship to Hawaii or Alaska.
FIREARM TRANSFERS
- Firearms must ship to a licensed FFL dealer of your choosing — confirm with them first that they can accept the transfer.
- Your receiving FFL will need to email their license to [email protected] before we can ship.
- Inspect your firearm at your FFL’s location before signing ATF Form 4473 — once signed, the firearm is considered accepted.
You’re responsible for knowing the firearms laws in your state before ordering. For complete shipping, returns, and restocking-fee policy details, see our Shipping & Returns page.

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