The Stevens 320 Security 12GA 18.5″ Pump 5+1 Pistol Grip is a no-nonsense defensive shotgun built for shooters who demand reliability without the premium price tag. With a stout 18.5-inch barrel, synthetic pistol-grip stock, and a rotary-bolt pump action, this 12-gauge delivers hard-hitting performance right out of the box. It’s a straightforward, duty-ready platform that puts capacity and control first—and at $257.24, it’s one of the best values in the pump-action segment right now.
| Manufacturer | Savage Arms / Stevens |
|---|---|
| Model | Stevens 320 Security |
| Material | Synthetic stock, steel barrel and receiver |
| Compatibility | 12 Gauge 2.75″ and 3″ shells (per manufacturer specs) |
| Finish | Matte black |
| Weight | ~6.5 lbs (unloaded, per manufacturer specs) |
| Condition | New |
Key Features
- 18.5″ Security Barrel with Heat Shield — WHY IT MATTERS: The shorter barrel keeps the shotgun nimble in tight spaces, while the vented heat shield protects your sight picture during extended strings of fire.
- Pistol-Grip Synthetic Stock — WHY IT MATTERS: Provides a more vertical wrist angle for faster target acquisition and better one-handed control when clearing rooms or shooting from unconventional positions.
- Dual Slide-Bars + Rotary Bolt — WHY IT MATTERS: Twin action bars prevent binding under stress, and the rotating bolt head locks securely into the barrel extension for reliable extraction and chambering of heavy magnum loads.
- One-Piece Picatinny Rail on Receiver — WHY IT MATTERS: No adapter plates needed—mount a red dot, laser, or flashlight directly to the rail for low-light or precision shot placement.
- 5+1 Capacity — WHY IT MATTERS: Five rounds in the tube plus one in the chamber gives you six total shots before a reload—enough for most defensive encounters.
Who It’s For
This shotgun is for the tech-savvy shooter who wants a reliable home-defense or patrol gun without overpaying. It’s also a solid pick for first-time pump-action owners who want modern features—like an optics-ready rail—straight from the factory. If you’re the type who experiments with aftermarket stocks, lights, and red dots, the Stevens 320 Security gives you a budget-friendly platform to build on.
Pros & Cons
- Pro: Sub-$260 price point makes it an easy entry into defensive shotgunning.
- Pro: Integrated Picatinny rail saves you from buying a separate mount.
- Pro: Lightweight at ~6.5 lbs, easy to maneuver in a hallway or vehicle.
- Con: The pistol grip is fixed (not adjustable) and may feel short for shooters with larger hands. You can swap the stock, but that’s an extra cost.
Comparison
| Feature | Stevens 320 Security | Mossberg 590 Shockwave | Remington 870 Tac-14 |
|---|---|---|---|
| Barrel Length | 18.5″ | 14.375″ | 14″ |
| Capacity | 5+1 | 5+1 | 4+1 |
| Stock | Pistol grip (fixed) | Raptor bird’s head grip | Knockoff-style pistol grip |
| Receiver Rail | One-piece Picatinny | None (drill/tap required) | None (drill/tap required) |
| Weight | ~6.5 lbs | ~5.5 lbs | ~5.4 lbs |
| Price | $257 | $420+ | $450+ |
FAQ
What shells does the Stevens 320 Security cycle reliably?
Per manufacturer specs, it cycles 2.75″ and 3″ 12-gauge shells. Most standard birdshot, buckshot, and slug loads run fine. Avoid sub-2.5″ mini shells without an adapter.
Can I mount a red dot directly to the receiver?
Yes. The receiver has a one-piece Picatinny rail, so you can mount most red dots or reflex sights without an adapter. Just use standard Picatinny rings or a direct mount.
Is the pistol grip removable?
The factory stock is a one-piece pistol-grip unit. It can be replaced with an aftermarket stock or buffer tube setup, but the grip itself is not detachable without swapping the entire stock.
Does this shotgun come with a choke?
No. The 18.5″ security barrel is cylinder-bore (no choke threads). It’s designed for defensive loads, not hunting patterns.
How does the Stevens 320 compare to a Mossberg 500?
Both are reliable pump actions, but the Stevens 320 comes at roughly half the price. You lose some aftermarket support and the tang safety of the Mossberg, but you gain a factory Picatinny rail and a lighter overall weight.
Why Buy From Us?
- ✅ Nationwide delivery (all 50 states)
- ✅ Ships 1-2 business days
- ✅ 30-day returns
- ✅ Secure checkout
Last updated: April 2026
According to a 2025 industry report, pump-action shotguns still hold over 40% of the U.S. defensive shotgun market—and the Stevens 320 Security is one of the fastest-growing entries in that segment.
Related categories: Pump Action Shotguns | Defensive Shotguns | Stevens Shotguns
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