The Browning Buck Mark Plus Micro Bull is a semi-automatic pistol chambered in .22 LR with a 4-inch bull barrel. It has a stainless steel slide paired with a black UFX grip and frame, and ships with a 10+1 capacity magazine. The sights are fiber optic. 
 

Key Specifications 

• Brand: Browning 
• Model: Buck Mark Plus Micro Bull 
• Caliber: .22 LR 
• Action: Semi Auto 
• Barrel Length: 4 inches 
• Capacity: 10+1 
• Color/Finish: Stainless Steel slide / Black frame 
   

Detailed Features 

• 4-inch bull barrel profile 
• Stainless steel slide with black UFX grip and frame 
• Fiber optic sights 
• 10+1 capacity

Owners of the Browning Buck Mark Plus Micro Bull appreciate its compact size compared to the full-length Buck Mark line, while retaining the same basic operating system. The bull barrel profile is cited as a contributor to consistent accuracy at casual plinking distances, and most owners find the fiber optic sights easy to pick up quickly.

The UFX grip gets mixed feedback. Many shooters find it comfortable and grippy, but those with larger hands sometimes wish for a more substantial grip panel. Changing grips is straightforward given the Buck Mark's modular grip design, and aftermarket options are widely available.

Reliability on bulk .22 LR ammo is the most debated topic among Buck Mark Micro owners. The pistol generally runs well on quality ammunition; failures to feed are more commonly reported with low-velocity or budget bulk rounds. Overall, it is regarded as one of the cleaner .22 semi-auto pistol options at its price point.