The GSG MP-40P is a 9mm Luger semi-automatic pistol styled after the WWII-era MP-40 submachine gun. It has a 10.8-inch barrel, 25+1 round capacity, and steel receiver with black polymer grip. At 7.88 lbs and 24.5 inches overall, this is a large pistol — effectively sized like a short-barrel carbine. 
 

Key Specifications 

• Brand: GSG 
• Model: MP-40P 
• Caliber: 9MM Luger (9X19 Para) 
• Action: Semi-Automatic 
• Capacity: 25+1 rounds 
• Barrel Length: 10.8 inches 
• Overall Length: 24.5 inches 
• Weight: 7.88 lbs. 
• Grip Material: Black Polymer 
• Receiver Material: Steel 
• Finish: Black 
   

Detailed Features 

The semi-automatic action fires one round per trigger pull. The 10.8-inch barrel and 25+1 capacity make this better suited for range use than carry. Fixed sights provide basic target acquisition. The steel receiver adds weight but contributes to the authentic appearance and feel. 
 
The MP-40P is a licensed reproduction of the historical design, making it popular with collectors who want something shootable rather than purely decorative. The 9mm chambering keeps ammunition common and affordable for high-volume range use. 
 

Usage Scenarios 

• Sport Shooting: The large capacity and range-appropriate dimensions suit extended shooting sessions. 
• Collection: The period-correct styling makes this an appealing option for WWII militaria collectors who want a functioning firearm. 
• Training: The 9mm caliber and fixed sights make for manageable practice at range distances.

The GSG MP-40P draws consistent appreciation for its historical design — buyers who want a functional reproduction of the MP-40 aesthetic consistently report satisfaction with the authenticity of the result. The retro styling is the primary purchase driver for most buyers.

Performance feedback is generally positive for range use. The 25+1 capacity reduces reload interruptions during sessions. Build quality with the steel receiver is viewed as solid at the price point.

Some users report occasional feeding or ejection issues with specific ammunition brands. Ergonomics get mixed feedback — the design is historically accurate, which means hand fit varies by shooter and doesn't conform to modern ergonomic standards. The 7.88 lb weight also limits comfortable handling time for some users. Aftermarket customization options are limited compared to more common pistol platforms. Most buyers treat it as a range and collection piece rather than a defensive firearm.