The Kel-Tec PR57 is a semi-automatic pistol chambered in 5.7x28mm with a 4.64-inch barrel and a 20-round capacity. It has a tan polymer frame with a black slide, an optics-ready cut, and uses a stripper-clip-fed magazine system. 
 

Key Specifications 

• Brand: Kel-Tec 
• Model: PR57 
• Caliber: 5.7x28mm 
• Action: Semi Auto 
• Capacity: 20+1 
• Barrel Length: 4.64 in 
• Color/Finish: Tan Frame / Black Slide 
   

Detailed Features 

• Optics-ready slide 
• Tan polymer frame with black slide 
• Stripper clip fed magazine system 
• Polymer grips

Owners of the Kel-Tec PR57 in tan are drawn primarily to the 5.7x28mm chambering and its 20-round capacity in a compact handgun format. The optics-ready cut gets consistent praise from those who run red dots.

The polymer frame keeps weight low, but Kel-Tec's fit and finish draws divided reactions. Some owners report smooth function from the first round; others describe a break-in period or minor feeding quirks that resolve over time.

Value perception varies with ammunition availability. When 5.7x28mm is accessible, buyers appreciate the capacity and ergonomics. When ammo prices climb, some owners reconsider whether the caliber choice was practical for regular range use.