The KelTec KSG is a 12-gauge bullpup pump-action shotgun with dual magazine tubes and a 26.1-inch overall length. The bullpup layout puts the action behind the trigger, which is how it fits an 18.5-inch barrel into something that short. That compactness makes it genuinely useful in hallways and vehicles where a full-size shotgun becomes awkward. 
 

Key Specifications: 

• Manufacturer: KelTec 
• Model: KSG 
• Action: Pump Action 
• Gauge: 12 GA 
• Barrel Length: 18.5 inches 
• Capacity: 8 Rounds (10 standard) 
• Weight: 6.8 lbs (108.8 oz) 
• Finish: OD Green/Black 
• Total Length: 26.1 inches 
   

Detailed Features: 

 
The dual magazine tubes are the defining feature. Each tube feeds independently, so you can switch between loads mid-session — buckshot in one, slugs in the other. The salt bath nitride finish resists corrosion and keeps the action running smoother over time. Multiple Picatinny rails let you add optics, a light, or a foregrip without adapters. 
 

Usage Scenarios: 

1. Home Defense: The 26.1-inch length clears corners more easily than a standard shotgun, and 8 rounds on tap is adequate for most situations. 
2. Competitive Shooting: Fast cycling and good balance work in 3-gun and tactical shotgun events. 
3. Field Use: Works for small game where quick follow-up shots matter.

The KelTec KSG in OD Green/Black draws genuine enthusiasm alongside some real reservations.

The bullpup layout gets consistent praise. Fitting an 18.5-inch barrel into a 26.1-inch package is a legitimate engineering achievement, and owners who use it for home defense appreciate having that maneuverability. The dual magazine tubes holding 14 rounds total (7 per tube) also come up frequently as a selling point.

Reliability is the main sticking point. A meaningful number of owners report feeding issues or jams, often tied to specific ammunition types. It is not universal, but it is common enough that most forum discussions eventually land on it. Ergonomics split opinion too — the controls feel natural to some shooters and awkward to others, particularly the safety and magazine tube selector placement. New bullpup users typically need range time to get comfortable with the manual of arms.

At its price point, most owners feel the KSG delivers solid value for the feature set, though the reliability question is worth researching before buying.