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Quick Look
The Mossberg 590M Shockwave Mag-Fed Pump Action is a modern evolution of Mossberg's classic 590 series, introduced for tactical and home defense roles. Designed as a compact, high-capacity shotgun with a magazine-fed system, it offers faster reloads and versatility. It maintains a strong position among pump-action shotguns favored for reliability and maneuverability.
Why It's a Top Choice
- Magazine-fed for quick reloads and higher capacity
- Durable pump-action mechanism proven in tactical use
- Compact design ideal for close-quarters and home defense
- Accepts standard 12-gauge shells, versatile ammo options
- Strong aftermarket support and parts availability
Key Variants
590M Shockwave — Compact mag-fed model designed for fast reloads and maneuverability.
590 Shockwave — Traditional tube-fed variant favored for close-quarter use.
590A1 — Military-grade tough variant with enhanced durability.
Competitor Comparison Table
| Feature | 590M Shockwave | Remington 870 Tac-14 | Benelli M4 |
|---|---|---|---|
| MSRP | $900–$1,000 | $850–$950 | $2,000+ |
| Capacity/Size | 5+1 (mag-fed) | 5+1 (tube-fed) | 7+1 (tube-fed semi-auto) |
| Weight | 6.7 lbs | 6.7 lbs | 7.9 lbs |
| Optics-Ready | Yes (Picatinny rail) | No | Yes (ghost ring and optics options) |
| Trigger Type | Pump-action trigger | Pump-action trigger | Semi-auto trigger |
| Notable Pro | Fast reload with detachable mags | Proven reliability, simple design | Semi-auto speed and low recoil |
| Notable Con | Limited aftermarket parts | Slower reload (tube-fed) | Higher price point |
Best Use Cases
- Home defense and tactical applications
- Law enforcement duty use
- Close-quarters self-defense
- Range training and practice
- Shotgun collections focused on innovation
FAQs
Can I use standard 12-gauge shells in the Mossberg 590M Shockwave?
Yes, the 590M Shockwave uses standard 12-gauge shells compatible with its magazine-fed system.
What is the magazine capacity of the 590M Shockwave?
The standard magazine holds five rounds, plus one in the chamber, for a total of six.
How does the magazine-fed design affect reload speed?
Magazine feeding allows quicker reloads compared to traditional tube-fed shotguns, improving tactical readiness.







