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The Flux Defense MP17 turns the U.S. Army and Navy M17/18 and SIG Sauer P320 into an SBR. And it might just be one of the coolest new designs we’ve seen in some time.

Flux Defense MP17 Details

While the product is not technically a firearm, it does turn the pistol, legally, into a short barreled rifle. So all NFA regulations will apply. Customers must Form 1 their fire control unit before installing to avoid getting in hot water. But do that, and depending on your state, you are then cleared hot.

After that, users must provide their own firearm, including trigger control group and slide. All the cool accessories in the video also come separate, including the holster, light, sling and red dot optics.

The Flux Defense also brings 43 rounds of onboard capacity to the M17/18 and P320. How? Via the integrated mag holder located forward of the trigger guard. Even cooler, it functions as a sort of vertical fore-grip when firing. For rapid deployment, the MP17 features a spring-loaded, one-handed stock. The video shows it jump to the shoulder, providing the ability to immediately shoulder and engage targets on the draw.

As for the draw, the Flux utilizes an optional Level 2 Retention Duty Holster. It accommodates multiple light systems, red dots and even a suppressor.

When it’s time to put rounds downrange, users can still utilize the pistol’s included iron sights. However, the platform begs for optics, and works with Trijicon RMR, Holosun, Leupold DeltaPoint and more. For those preferring larger optics, an additional Picatinny rail bolts on for running Aimpoint, EOTech and similar optics.

Flux Defense MP17 Specs

  • Overall Weight: 2.8 pounds (with full size slide, empty)
  • Collapsed Height: 5.75 inches
  • Overall Length: 10.75 inches
  • Overall Width: 1.6 inches
  • MSRP: $399

For more information, visit fluxdefense.com.

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