The GSG-16 is a semi-automatic rimfire rifle chambered in .22 LR with a 16.25-inch barrel, 22-round capacity, and a black finish from Blue Line. At 5.8 lbs., it is light enough for extended range sessions without wearing you out. 
 

Key Specifications 

• Model: GSG-16 
• Action: Semi-Automatic 
• Caliber: .22 LR 
• Barrel Length: 16.25 inches 
• Capacity: 22 rounds 
• Weight: 5.8 lbs. 
• Finish: Black 
• Manufacturer: Blue Line 
   
  The integrated MLOK rail accepts lights, optics, or other accessories without any adapter hassle. Adjustable ghost ring rear sights paired with a replaceable front sight give you a solid baseline for accuracy at various distances. The three-position collapsible stock lets different shooters dial in a comfortable length of pull. A faux suppressor is included and does reduce perceived noise slightly during operation. 
   
  The .22 LR caliber keeps recoil low and ammo costs down, which makes the GSG-16 a practical choice for training, plinking, or casual competition where bigger calibers would run up the bill fast.

The Blue Line GSG-16 tends to get positive marks for its lightweight build and the flexibility of the collapsible stock, which makes it easy to transport and fits a range of shooter sizes. The MLOK system is appreciated for how straightforward it is to add accessories. .22 LR ammo costs keep range sessions affordable, and the low recoil makes it accessible for newer shooters.

The common complaints center on reliability. Some users report feeding issues or occasional jams, and the problem is often ammunition-sensitive -- certain loads run cleaner than others. There are also durability questions; while the tactical look is appealing, a few owners feel the build quality does not hold up as well as higher-end rifles. Accuracy feedback is mixed: most shooters find it adequate for plinking and casual use, but performance can vary depending on the setup and conditions.