The Browning Buck Mark Micro Bull is a semi-automatic pistol chambered in .22 LR with a 4.4-inch bull barrel. It ships with a 10+1 round capacity and comes configured with an RMSC optic footprint on the slide for direct red dot mounting. The SR model ships with fiber optic sights and a matte black finish with a Flat Dark Earth grip. 
 

Key Specifications 

• Brand: Browning 
• Model: Buck Mark Micro Bull 
• Caliber: .22 LR 
• Action: Semi Auto 
• Capacity: 10+1 
• Barrel Length: 4.4 in 
• Color/Finish: Matte Black / Flat Dark Earth Grip 
   

Detailed Features 

• 4.4-inch bull barrel profile 
• RMSC footprint cut into the slide for compact red dot mounting 
• Fiber optic sights on SR variant 
• 10+1 round capacity 
• Flat Dark Earth grip against a matte black frame

Owners of the Buck Mark Micro Bull appreciate the .22 LR platform for low-cost practice; the 4.4-inch bull barrel is consistently noted for holding tight groups at the range. The compact Micro frame suits shooters who found the standard Buck Mark a bit long in the grip.

The RMSC footprint cut is a recurring selling point. Owners who already run a compact red dot pick up the pistol specifically to avoid adapters. A common complaint is that the stock fiber optic sights sit low and are hard to pick up quickly before a dot is added.

On value, the Buck Mark Micro Bull earns mixed marks. The .22 LR caliber and reliable feeding keep recurring buyers coming back, but some feel the FDE grip finish wears faster than the rest of the pistol. Build quality on the blued steel components is generally praised.