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Complete 40 S&W Upper Receiver Assembly

Complete 9mm Upper Receiver Assembly

Quick Overview

Quarter Circle 10, THE AR Pistol Caliber BRAND. Leader in top of the line, dedicated AR15 Pistol Caliber parts. Complete 9mm MUR Upper Receiver


Details

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

  • Mil-Spec construction

  • QC10 PMUR Upper Receiver

  • 9x19mm QPQ Nitride-Treated barrel

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

  • KeyMod Handguard

  • VLTOR Gunfighter Charging Handle

  • 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

 

Additional Information

Upper Receiver Rear Charging
Thread No
Muzzle Device No
Handguard Mount Configuration KeyMod
Handguard Length No
Caliber No
GEN GLF No
GEN GSF No
Thread No
GEN COLT No
Caliber No
Assembly No
Assembly No
Buffer Tube No
Lower Receiver No
Model / Caliber No
Buffer Tube No
Card Dollar Value No
Size No
Size Large
Handguard Length No
BARREL LENGTH 3.5 INCH

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  1. Excellent 9mm Upper Assembly review by Guy G. on 11/2/2016

    On 11/01/2016, I took my Quarter Circle 10 9mm upper assembly that I got on 10/31/2016, and put it on my 9mm pistol lower build and test fired them both for the first time. My upper is the 7.5 inch assembly, and at 25 yards I was able to easily put all my rounds into a small one hole group using only the MAGPUL MBUS sights. At first I was a little worried that My Quarter Circle 10 upper assembly would not reliably work on another lower receiver, but it worked like a champ! The upper assembly was worth every penny for such a quality part!

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