The Blue Line Solutions Mauser HSr is a semi-automatic pistol chambered in .22 LR with a 3.5-inch hammer-forged barrel. It has a 10+1 round capacity and a manual safety. The pistol is finished in black. 
 

Key Specifications 

• Brand: Blue Line Solutions 
• Model: Mauser HSr 
• Caliber: .22 LR 
• Action: Semi Auto 
• Capacity: 10+1 
• Barrel Length: 3.5 in 
• Color/Finish: Black 
   

Detailed Features 

• Hammer-forged barrel 
• Manual safety 
• 10-round magazine capacity 
• Semi-automatic operation 
• Compact 3.5-inch barrel

Owners of the Mauser HSr appreciate it as a budget-friendly .22 LR plinker with a recognizable Mauser-inspired profile. The hammer-forged barrel is frequently cited as a positive for longevity at the price point.

Ergonomics get mixed marks. Some shooters find the grip comfortable for extended range sessions, while others note the controls feel stiffer than higher-end rimfire pistols. The manual safety is seen as a plus for those who prefer an extra layer.

Value is the recurring theme in owner feedback. The HSr lands below most comparable semi-auto .22 pistols, which draws in new shooters and collectors alike. Aftermarket support is limited compared to more established platforms.