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*WASHINGTON STATE RESIDENTS ONLY* LAST CALL - All MAGAZINES and IN-STORE firearms orders with Magazines over 10 rounds must be place by 11:59pm PST, June 28th, 2022

Quarter Circle 10 Complete Side Charging AR-15 9mm PCC Upper - 5.5"

AR-15 Complete Upper Receiver

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Only 4 left

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Quarter Circle 10 Complete Side Charging AR-15 9mm Upper - 5.5"


  • Designed specifically for pistol-caliber AR builds in conjunction with VLTOR

  • Mil-Spec construction

  • QC10 Stripped Glock Small Frame Lower Receiver with proprietary parts

  • QC10 Side Charging Handle Upper Receiver

  • 9x19mm QPQ Nitride-Treated barrel

  • Glock Magazine Compatible 9x19mm bolt or Colt SMG Magazine Compatible 9x19mm bolt

  • MLOK Handguard

  • QC10 Pistol Caliber Muzzle Device

  • Made For the AR Platform- Not Modified


*This product is not compatible with DI gas systems or rifle-caliber bolts

More Information
Product Type AR-15 Complete Upper Receiver
Manufacturer Quarter Circle 10
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