The Kel-Tec KS7 is a pump-action bullpup shotgun chambered in 12 GA with a 3-inch chamber. At 26.1 inches overall with an 18.5-inch barrel, the bullpup layout keeps the gun short without cutting barrel length. It weighs 5.9 lbs unloaded. 
 

Key Specifications 

• Manufacturer: Kel-Tec 
• Model: KS7 
• Caliber: 12 GA 
• Barrel Length: 18.5 inches 
• Capacity: 7 rounds 
• Weight: 5.9 lbs. 
• Action Type: Pump 
• Chamber Size: 3 inches 
• Overall Length: 26.1 inches 
• Finish Colors: Black / Silver 
• Stock Material: Titanium Polymer Bullpup 
• Sights: Fiber Optic Front Sight 
• Safety Mechanism: Cross Bolt Safety 
• Magazine Type: Tubular Magazine 
   

Detailed Features 

Downward shell ejection lets you fire from either shoulder without getting brass in your face. The soft rubber recoil pad keeps follow-up shots manageable. A Picatinny rail scope base sits on top, and the forend has an underrail for lights or other accessories. The cross bolt safety is straightforward and positive. 
 
The bullpup configuration does require some adjustment -- the controls are laid out differently from a conventional shotgun, and new owners typically need a few range sessions to get comfortable with the manual of arms.

The Kel-Tec KS7 gets credit mostly for what it is: a compact, affordable bullpup 12-gauge that does things a conventional pump can't match on footprint. The 26.1-inch overall length with a full 18.5-inch barrel is genuinely useful in tight spaces, and the weight is easy to carry for extended periods.

Ergonomics split opinion. Some shooters find the controls intuitive once they adapt; others wish the layout were better optimized for one-handed operation or faster reloading. Reliability is generally positive across common loads, though a few users have reported feeding issues with certain ammunition -- mostly lighter target loads that don't cycle as cleanly as heavier field or defensive rounds.

The price point compared to traditional pump shotguns is a consistent selling point. Customization discussion is active around optics and tactical lights given the rail system. Anyone comparing it against other bullpup shotguns will find the KS7 competitive on price but should handle one first to confirm the ergonomics work for them.