An MP5 Inspiration: Quarter Circle 10’s YKMF-5 Pistol — SHOT Show 2022

in Levi Sim, SHOT Show 2022
An MP5 Inspiration: Quarter Circle 10's YKMF-5 Pistol  -- SHOT Show 2022
The QC5s form is inspired by the MP5.

The MP5 is an iconic weapon. In constant use since the 1960s, its silhouette is recognized as much as the operator’s motion to charge it. Quarter Circle 10, known for its pistol caliber ARs, has created the YKMF-5 which is clearly inspired by the classic MP5.

QC5 Side-Charging 9mm Pistol

Quarter Circle 10 is proud of its ground-up approach to building pistol-caliber ARs. They claim that the whole firearm has been designed from the start to fire pistol cartridges, rather than adapting the parts from standard ARs as other builders might. The YKMF-5 continues that tradition. It’s the latest version of their QC5 pistol.

An MP5 Inspiration: Quarter Circle 10's YKMF-5 Pistol  -- SHOT Show 2022
The side-charging handle is cool.

The coolest thing is the side-charging bolt handle combined with the Bowden Tactical handguard that gives it that MP5 profile.

An MP5 Inspiration: Quarter Circle 10's YKMF-5 Pistol  -- SHOT Show 2022
The Bowden Tactical handguard finishes the look.

The YFMK-5 is designed specifically for use with standard MP5 magazines. It’s also designed to be suppressor-ready.

An MP5 Inspiration: Quarter Circle 10's YKMF-5 Pistol  -- SHOT Show 2022
AR users will find familiar controls.

Its barrel is threaded and ready for suppressors, but so is the buffer. You can choose a tungsten weight or steel weight if you’ll be using a suppressor.

An MP5 Inspiration: Quarter Circle 10's YKMF-5 Pistol  -- SHOT Show 2022
It comes equipped with a pistol brace.

Because this is a pistol, it comes with an SB Tactical brace. The barrel is 5.5″ long, and it weighs in at just 5.5 lbs, just like an MP5.

An MP5 Inspiration: Quarter Circle 10's YKMF-5 Pistol  -- SHOT Show 2022
Quarter Circle 10 takes pride in designing their guns for pistol calibers from the ground up.
An MP5 Inspiration: Quarter Circle 10's YKMF-5 Pistol  -- SHOT Show 2022
The threaded barrel is suppressor-ready, as is the buffer weight.
An MP5 Inspiration: Quarter Circle 10's YKMF-5 Pistol  -- SHOT Show 2022
The fire selector switch is ambidextrous.

The YFMK-5 is manufactured in Arizona, and it’ll begin shipping from Quarter Circle 10 in February 2022. Its price starts at $1,775. Click HERE to learn more.

Specs

  • Engineered for 9x19mm MP5 magazines
  • Mil-Spec Lower parts
  • Tested Buffer Tube, Spring and Weight and your choice of SB Tactical A3 or PDW brace
  • Milled billet 7075-T6 Aluminum Lower Receiver
  • QC10 Milled billet 7075-T6 Aluminum Side Charging Upper Receiver
  • Type III Hard Coat Anodizing
  • Made For The AR Platform- Not Modified
  • Choice of barrel lengths & matching MLOK handguard
  • Endless customization options
  • Test fired before it leaves the factory
  • Includes Carrying Case
  • DOJ Cable Lock Included
  • **GIBBZ Arms Patented Left Side Charging Handle Pat. No. 9,310,146

About the author: Levi Sim Levi is an avid hunter, and an increasingly avid shooter. He strives to make delicious and simple recipes from the game he kills. He makes a living as a professional photographer and writer. Check out his work and he’d love to connect on Instagram: @outdoorslevi

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  • Jay Vaporzz August 28, 2022, 10:48 pm

    Nice pistol! I built one for under half the cost! Had fun with the build, I actually upgraded also, BYOAR is the best! No quest here I love them all! Gimmick is in the small minded!

  • PacosMojo February 7, 2022, 3:53 pm

    Run of the mill blow-back operated gun made to APPEAR like a MP-5. And over priced by about $800. Gimmick.

  • LarrySomething February 7, 2022, 11:15 am

    Love the gun,but it’s on Slow Joe’s hit list.

  • Anna February 7, 2022, 8:50 am

    What mags does it use

    • Aquaman February 7, 2022, 10:10 am

      HK MP5

  • Richard Raffl February 7, 2022, 7:49 am

    Suppressed 300AAC ended my quest for a PCC.

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