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Quarter Circle 10 GLF
Quarter Circle 10 AR15 Lower Receive, Glock Large Frame Lower
GLF
Quarter Circle 10 Glock Large Frame AR15 Lower Receiver, 45ACP & 10MM
Your Price: $274.95
OUT OF STOCK

Detailed Description

The Quarter Circle 10 GLF lower receiver is, quite simply, the finest pistol-caliber AR platform available. Precision milled from 7075 billet aluminum, each one of our receivers is hand-inspected at every stage of manufacture to ensure precision and quality. This is no poorly milled adaptation made from surplus AR-15 receivers. Our GLF lower was designed from conception as a dedicated pistol-caliber receiver built around the Glock small frame magazine. Whether you shoot .45 ACP or 10mm, the GLF is up to the task of delivering rounds on target with more accuracy and power than a handgun, all in a package that is tighter and easier to control than a rifle-caliber firearm. Form and function play equal roles in our design, and the GSF not only runs like clockwork, it looks the part. With a simple yet distinctive aesthetic, the GLF lower immediately draws attention, but also fits right in among other tactical weapons.

Just as in the lawless days of the American West, when having a rifle and a pistol chambered for the same ammunition made sense to lawmen, cowboys, and outlaws alike, today many officers of the law and private citizens recognize the advantage of running the same ammunition in both their primary and secondary weapons. The GLF lower takes this idea one step further by allowing a shooter to not only use a single caliber in both their long gun and their sidearm, but to use the same magazine. This compatibility is only part of what makes the GLF an obvious choice for tactical applications, home defense, or for emergency situations.

Now, you can build your 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.

Any orders containing lower receivers require a verified FFL dealer to make the transfer, and lowers will not be shipped until QC10 has the dealer’s license on file. Please contact your desired dealer about sending us a copy of  their license.

*For proper function, QC10 recommends pairing the GLF lower with an enlarged ejection-port upper, like the QC10 Pistol MUR.*

**CA RESIDENTS: Quarter Circle 10 receivers will require a “bullet button” to be assembled into a compliant weapon.*

***This lower is a stripped lower and will require a Mil-Spec Lower Parts Kit to complete*

  • 11.5 oz stripped weight
  • Last Round Bolt Hold Open, ejector and all proprietary parts installed
  • Accepts all OEM Glock .45 ACP and 10mm Large Frame Magazines
  • 7075-T6 Aluminum
  • Accepts mil-spec receiver extension (buffer tube)
  • Type III Hard Coat Anodizing
  • Billet Machined
  • Bullet Pictogram selector on both sides
  • Upper Receiver Tension Screw Slot (Screw Not Included)
  • Glock Magazine release, no magazine modifications needed
  • Requires a Glock Style Bolt for use with Glock magazines (will NOT work with bolts designed for use with M3 SMG magazines)

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