The Great Lakes Firearms 19 Striker is a striker-fired semi-automatic pistol in 9mm with a 4-inch barrel. This variant has a Black frame paired with a Titanium Blue slide and ships with a 15+1 capacity. 
 

Key Specifications 

• Brand: Great Lakes Firearms 
• Model: 19 Striker 
• Caliber: 9mm 
• Action: Semi Auto 
• Capacity: 15+1 
• Barrel Length: 4 in 
• Color/Finish: Blue Titanium slide, Black frame 
   

Detailed Features 

• Striker-fired semi-automatic action 
• 4-inch barrel with ported configuration 
• Front and rear slide serrations 
• Cerakote Blue Titanium slide over a Black frame 
• Optic-ready cut per title reference 
• 15-round magazine capacity

Owners of the Great Lakes Firearms 19 Striker in the Blue Titanium finish frequently cite the two-tone look as the primary draw. The Black frame and Titanium Blue slide combination is a visual departure from the crowded all-black pistol market, and those who buy it for that reason tend to be happy with the result. The 15+1 capacity places it comfortably in the standard full-size tier.

The ported barrel on this variant gets divided opinions. Some owners appreciate the muzzle rise reduction it provides, while others note that ports add cleaning steps and aren't preferred for every use case. Ergonomics and slide serrations receive similar marks to other 19 Striker variants, with the platform feeling familiar to anyone who has handled a mid-size striker-fired pistol.

As with other Great Lakes Firearms products, aftermarket support is more limited than for dominant platforms, and that is the most consistent hesitation buyers express. Those who prioritize the finish and are comfortable with the brand find the value proposition reasonable compared to more established alternatives with similar specs.