The Hatsan BullTac is a bullpup semi-automatic shotgun chambered in .410 GA with an 18-inch barrel and a 5+1 capacity. The bullpup layout places the action behind the trigger, which shrinks the overall length to 27.75 inches while keeping the full 18-inch barrel. 
 

Key Specifications 

• Brand: Hatsan 
• Model Name: BullTac 
• Caliber: .410 GA 
• Action: Semi-Auto 
• Chamber: 3" 
• Capacity: 5+1 Rounds 
• Barrel Length: 18" 
• Overall Length: 27.75" 
• Weight: 6.70 lbs 
• Sights: Fixed Front & Adjustable Rear 
• Stock Type: Bullpup with Pistol Grip 
• Finish Color: Black 
   

Detailed Features 

The bullpup configuration is the defining design choice here. At 27.75 inches overall it handles like a much shorter firearm in tight spaces while retaining the 18-inch barrel length that an NFA-compliant non-bullpup would need for legal compliance. The upper alloy receiver pairs with a lightweight synthetic lower to keep the 6.7 lb weight manageable. 
 
A fixed cylinder choke barrel fires shot or slugs without choke changes. The adjustable rear sight pairs with a fixed front sight for basic target acquisition. A push-button safety is positioned for easy reach from the pistol grip. The semi-auto action cycles the next round without manual pump operation. 
 

Target Audience 

Sport shooters who want a compact .410 platform, home defense users who need to maneuver in tight spaces, and shooters curious about the bullpup configuration. The .410 gauge is also suitable for small game hunting and pest control. 
 

Usage Scenarios 

• Home defense: the 27.75-inch overall length is easier to maneuver in hallways than a standard 18-inch barrel shotgun with a full-length stock. 
• Small game and pest control: .410 is appropriate for birds, rabbits, and similar targets. 
• Range use and competition: the semi-auto action supports rapid follow-up shots.

The Hatsan BullTac generates interest primarily around the bullpup design and the .410 caliber combination. Buyers who specifically wanted a compact semi-auto shotgun in .410 find it fills a fairly narrow niche that not many manufacturers address.

Positive feedback focuses on the compact dimensions and the semi-auto cycling. Owners who tried it for home defense report it handles comfortably in confined spaces, which was the point of the design.

Reliability comes up as a mixed topic. Some owners report smooth cycling with quality shells; others experience feeding and ejection issues, particularly with cheaper or lighter loads. The .410 semi-auto mechanism is more finicky about ammunition selection than pump-action designs, and this comes up often enough in reviews that it is worth noting before purchase.

Ergonomics are generally described as comfortable, with the pistol grip and bullpup layout working well for most shooters. A few users find the controls less intuitive than conventional shotgun layouts, but most adjust quickly.

The .410 chambering limits the shotgun's utility compared to 12 or 20 gauge for anything beyond small game and short-range defensive use. Most users accept this as a known trade-off when selecting the caliber.