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KWC MP40 Blowback 4.5mm BB gun

In Stock
More from KWC Guns

The KWC MP40 BB gun is a replica of the Smith & Wesson M&P (Military & Police). This professional pistol features a lightweight polymer frame with a low slide profile, designed for maneuverability and rapid target acquisition. Just like the real M&P, the beavertail grip has been optimized for comfort and security with three interchangeable palm swell pads. The blowback slide has realistic features like scalloped serrations and an ejection port, through which the hop-up can be adjusted.

Why choose this gun?

  • Realistic replica of the Smith and Wesson M&P
  • Interchangeable grips will fit any hand size
  • Scalloped slide serrations provide extra grip
  • Double action trigger requires no cocking
  • 20mm weaver rail allows for tactical accessory attachment
  • Field strip capability makes cleaning and maintenance easy

Why not?

  • Blowback system drains CO2 faster
  • Polymer frame is not as durable as metal
  • Sights are not adjustable for windage or elevation

Compatible magazine: KWCKW147

Pro tip:
A beavertail is a protective pistol grip that protects the shooter’s hand from “hammer bite”—the hammer pinching the webbing between the thumb and forefinger. It has a curved groove that separates the hammer from the resting inner webbing on the hand.


Ammo Type:Steel BB

FPS:350 to 400

Caliber:4.5 mm (.177 cal)

Gun Action:Semi-Automatic

Power Source:Co2

Trigger Action:Double

Material:Metal & Polymer

Body Type:M&P


Front Sight:Blade and Ramp

Rear Sight:Adjustable

Magazine Capacity:15

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