The Panzer Arms BP12 is a semi-automatic bullpup shotgun chambered in 12 GA. It has a 20-inch barrel, 30.7-inch overall length, weighs 8.37 lbs, and has a 5+1 round capacity. The polymer lower and aluminum upper receiver are finished in black. Flip-up front and rear sights are included. 
 

Key Specifications 

• Model: BP12 
• Manufacturer: Panzer Arms 
• Type: Semi-Auto Shotgun - Tactical 
• Caliber: 12 GA 
• Barrel Length: 20 inches 
• Overall Length: 30.7 inches 
• Capacity: 5+1 rounds (5 in magazine + 1 in chamber) 
• Weight: 8.37 lbs 
• Finish Color: Black 
• Condition: New in Box 
   

Detailed Features 

 
The bullpup layout puts the action behind the pistol grip, which allows a 20-inch barrel in a 30.7-inch overall package. That's meaningfully shorter than a conventional semi-auto shotgun with the same barrel length. The magazine-fed design accepts box magazines for reloading. The adjustable cheekpiece lets shooters set the comb height for their optic or iron sight preference. Flip-up sights sit on the top rail, which also accepts standard accessories.

The Panzer BP12 Gen2 has a following among buyers who want a compact semi-automatic shotgun without spending on higher-end bullpup designs. The bullpup configuration is the main draw; maneuverability in confined spaces is genuinely better than a conventional shotgun of similar barrel length.

Performance feedback is generally positive for home defense and range use, with most owners reporting reliable cycling on common 2.75-inch loads. Ammunition sensitivity comes up regularly. Some users find it prefers certain shell brands or loads and can have feeding issues with off-brand or low-brass budget ammo.

Aesthetics divide opinion; the tactical appearance works for some buyers and is irrelevant to others. Customization discussions are active given the accessory rail. Value is considered good at its price point compared to other bullpup shotguns. Customer service experiences are mixed, with some owners resolving issues without difficulty and others reporting slower response times.