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Century Arms Centurion Optio III Semi-Auto 12 Gauge 20" Barrel 5+1 Rounds
Our editorial team reviews specifications, product data, and field-use information to keep pages accurate.
$199.99
List Price: $299.99
You Save: $100.00 (33%)
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SKU: WX2*0749376
Overview
Built around a modern AR-style layout, this 12 gauge semi-automatic shotgun is set up for shooters who want a controllable platform with straightforward handling. The detachable 5-round magazine, adjustable stock, and pistol grip support a more adaptable fit, while the included carry handle adds to its practical setup. With a 20" barrel and 3" chamber, it suits home defense, tactical applications, and range use where a compact, versatile shotgun is preferred. Its black finish keeps the presentation simple and utilitarian, with no extra frills beyond the features listed.
Why Hunters Choose the Century Arms
Semi-automatic 12
5+1 capacity for versatile use
20-inch Barrel
3-inch chamber support common shotgun
Detachable 5-round
Magazine allows quicker reloads
Adjustable Stock
Pistol grip help tailor fit
Carry Handle
Included for added convenience in
Key Features
- Semi-automatic 12 gauge shotgun in an AR-style platform
- 20-inch barrel with 3-inch chamber
- 5+1 capacity with detachable 5-round magazine
- Adjustable stock and ergonomic pistol grip
- Black finish with carry handle included
- Suitable for tactical use, home defense, or range shooting
Best Used For
- Home defense users wanting a semi-automatic 12 gauge with adjustable fit and simple controls
- Range shooters who prefer an AR-style shotgun platform with detachable magazine handling
- Tactical-minded users seeking a modern shotgun layout with pistol grip and carry handle
- Hunters wanting a 20-inch, 3-inch chamber shotgun for versatile close-range applications
Specifications
| Action | Semi-automatic |
|---|---|
| Barrel Length | 20" |
| Blade Finish | Black |
| Capacity | 5+1 |
| Carry Handle | Included |
| Chamber | 3" |
| Gauge | 12 gauge |
| Grip | Pistol grip |
| Magazine Type | Detachable magazine |
| Stock | Adjustable stock |
Pros
- Semi-automatic 12 gauge platform with 5+1 capacity for versatile use
- 20-inch barrel and 3-inch chamber support common shotgun loads
- Detachable 5-round magazine allows quicker reloads
- Adjustable stock and pistol grip help tailor fit and control
- Carry handle included for added convenience in handling
Considerations & Trade-offs
- The 20" barrel and AR-style layout make this a more compact shotgun setup, which can be a trade-off if you prefer a longer sighting plane or a more traditional field gun profile.
- It uses a detachable 5-round magazine, so capacity is limited to 5+1 rather than higher-capacity configurations some users may expect from a tactical-style shotgun.
- The adjustable stock and pistol grip add control and fit flexibility, but they also place this model in a more specialized setup than a classic hunting shotgun.
- A 3" chamber adds versatility, but ammunition selection still needs to match the chambering and intended use.
Suggested Comparisons
- Semi-automatic shotguns
- Pump-action shotguns
- Home defense shotguns
- Range and training shotguns
Suggested Accessories
- Shotgun sling
- Extra magazine
- Cleaning kit
- Gun case
Frequently Asked Questions
What gauge and chamber size does the Centurion Optio III use?
It is a 12 gauge shotgun with a 3" chamber.
What is the magazine and capacity setup?
It uses a detachable 5-round magazine and is listed with a 5+1 capacity.
Is this a semi-automatic shotgun?
Yes. The Centurion Optio III is described as a semi-automatic shotgun.
What features does it include for fit and handling?
The listed features include an adjustable stock, an ergonomic pistol grip, and a carry handle.
What barrel length and finish are listed?
It is listed with a 20" barrel and a black finish.