The Citadel Boss-25 is a 12 gauge semi-automatic shotgun with an 18.75-inch barrel, detachable box magazines, and a pistol grip stock with adjustable cheek piece. It comes with two 5-round magazines and five chokes. 
 

Key Specifications 

• Model: Boss-25 
• Caliber: 12 GA 
• Chamber: 3" 
• Barrel Length: 18.75" 
• Overall Length: 37.75" 
• Weight: 8 lbs 
• Capacity: 5+1 rounds (two detachable magazines included) 
• Action Type: Semi-Automatic 
• Sights: Adjustable Folding Front & Rear 
• Finish: Grey/Black (also available in Black, FDE, Tactical Gray, USA Flag) 
   

Detailed Features 

The adjustable cheek piece on the buttstock lets the shooter set cheek weld height, which matters more on a pistol-grip gun than on a conventional stock. Picatinny rails run on top of the receiver and along the lower forend for optics and accessories. A muzzle brake is integrated at the factory. Five chokes are included: Cylindrical, Improved Cylinder, Modified, Improved Modified, and Full.

The Boss-25 gets generally positive reviews from buyers looking for a detachable-magazine semi-auto shotgun at this price point. The two-magazine-included package is noted as good value. Ergonomics with the adjustable cheek piece get credit for making the pistol-grip layout more usable than a fixed pistol grip.

Reliability feedback is mostly positive with standard loads, though a few users note it can be ammunition-sensitive -- some budget or light loads cause cycling issues. The Picatinny rail system for accessories customization is a popular discussion point. Recoil at 8 lbs is considered manageable by most reviewers.

Customer service experiences with Citadel are mixed across the reviews that mention them. New shooters sometimes note the semi-auto gas system requires a break-in period.