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  • Quarter Circle 10- AR15-9MM Barrels Quarter Circle 10- AR15-9MM Barrels
  • Quarter-Circle-10-9mm-Barrel-7 Quarter-Circle-10-9mm-Barrel-7
  • Quarter Circle 10 Barrel Profiles Quarter Circle 10 Barrel Profiles
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Replacement LRBHO and Ejector Kit for CLT9mm

Previous

.40 S&W Bolt Assembly

9x19mm Barrels

Quick Overview

Quarter Circle 10, THE AR Pistol Caliber BRAND. Leader in top of the line, dedicated AR15 Pistol Caliber parts. 9x19MM Barrels

Availability: In stock

$170.00

* Required Fields

$170.00

Details

  • 4150 CMV steel

  • 1-in-10″ twist rate

  • 1/2-28 threading

  • QPQ Nitride treated

  • .75″ (medium) profile

 

Note: Barrels are measured from the end of the muzzle to the end of the breech/feed ramp. Approximately 1″ of the barrel rests inside the upper receiver upon installation, resulting in an installed length of 1″ less than listed overall length.


*The installation of a pistol-caliber suppressor requires the use of a fixed barrel spacer. See your suppressor manufacturer for information on the requirements of your particular model.

Additional Information

BARREL LENGTH No
Handguard Length No
Handguard Length No
Size No
Size No
Thread No
Thread No
Card Dollar Value No
Buffer Tube No
Muzzle Device No
Model / Caliber No
Lower Receiver No
Buffer Tube No
Assembly No
Assembly No
Caliber No
Caliber No
GEN COLT No
GEN GSF No
GEN GLF No
Charging Handle No

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  1. review by Mark on 2/20/2015

    I purchased a 5.5 inch 9mm barrel for my SBR build and I was highly impressed with the quality of the barrel before and after shooting the build. I can easily hit steel at 100 meters with this barrel and a red dot. This is a great quality barrel that is designed specifically for your Q10 build. The threading is 1/2 x 28 be aware of your build and 556 flash hiders. Thanks Q10 for the great barrel and the fast shipping!

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