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Quarter Circle 10 GSF Stripped Upper & Lower Matched Set

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Our Price: $430.00
We currently have 2 available.
Manufacturer: Quarter Circle 10
Manufacturer Part No: QC-GSF-PMUR

Marked: Multi Cal

Quarter Circle 10 is pleased to present our new Stripped Upper & Lower Matched Sets, providing a convenient and cost-effective way to purchase the two central components of your next pistol caliber build. Shipped with a matching QC10 Pistol MUR upper receiver and the stripped lower of your choice, this is the easiest and most wallet-friendly option to start building. Whether you want the solid simplicity of the CLT9MM, the dependable compatibility of the GSF, or the big-bore power of the GLF, you can now pair one with a purpose-built QC10 upper at a substantial savings with our Stripped Upper & Lower Matched Sets. There’s no limit to the customization potential available to the QC10 user, as Quarter Circle 10 strives for the broadest possible compatibility with  aftermarket AR-15 components, from triggers to buffer springs to forends.

Our most popular model, the GSF, or Glock Small Frame lower receiver, is now available here as a Stripped Upper & Lower Matched Set. Both components are engineered around the pistol calibers you depend on, and are guaranteed to perform flawlessly together and with all our QC10 components. Now, you can own a pistol-caliber platform with the peace of mind of knowing that every component is of the highest quality. Whether for home-defense, law enforcement, competition, or plinking, Quarter Circle 10 has you covered, with our philosophy of Made For- Not Modified. Each of our parts is engineered and manufactured with pistol calibers in mind, rather than modified from rifle-caliber components as an afterthought. We’re Quarter Circle 10, the AR Pistol-Caliber brand.

Buffer information via Quarter Circle 10 Tech Support

3.5"-14" barrel and no suppressor use

9X19: 5.0-7.5oz buffer

.40 S&W: 6.0-8.0oz buffer

.45 ACP: 8-10oz buffer

14"+ barrel or when using a suppressor 

9X19: 8oz-12.5oz buffer

.40 S&W: 8.0-12.5oz buffer

.45 ACP: 10oz-12.5oz buffer

Item must ship to an FFL dealer. Must be 21 to purchase. Please have your dealer E-mail or fax a copy of their license, including your name and order number, to us at or fax to 636-547-2618. Please include YOUR dealers info in the SHIPPING OR comment section during checkout.

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