The Kel-Tec SUB2000 Gen 3 is a semi-automatic pistol caliber carbine chambered in 9mm, with a 16.1-inch barrel and a folding/collapsible stock. This variant uses Glock magazines, has a 15-round capacity, and comes in a Navy Blue finish. 
 

Key Specifications 

• Brand: Kel-Tec 
• Model: SUB2000 Gen 3 
• Caliber: 9mm 
• Action: Semi Auto 
• Capacity: 15 rounds 
• Barrel Length: 16.1 inches 
• Color/Finish: Navy Blue 
   

Detailed Features 

• Folding and collapsible stock for compact storage and transport 
• Accepts Glock magazines 
• 15-round capacity with 9mm chambering 
• 16.1-inch barrel in a rifle-length platform 
• Navy Blue finish on the polymer frame

Owners of the Kel-Tec SUB2000 Gen 3 consistently mention the folding stock as the primary draw. The ability to fold the rifle for storage or transport and then unfold it into a full-length platform is the feature that sells it, and the Gen 3 revision tightened up some of the flex that earlier generations had in the fold latch.

The Glock magazine compatibility is the second most-cited selling point. Owners who already run Glock 17s or 19s appreciate not needing a separate magazine inventory, and the 15-round starting capacity is adequate for most use cases. Some owners swap to higher-capacity magazines immediately.

The SUB2000's trigger and sighting system draw more mixed reactions. The stock trigger is functional but not precise, and the over-the-barrel sight picture takes some getting used to. The Gen 3 addresses some previous ergonomic complaints, but owners who prioritize accuracy at distance typically add optics early. The Navy Blue color option appeals to buyers who want something visually distinct from the standard black.