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  • QC10 10MM Auto Barrel QC10 10MM Auto Barrel

10mm Auto Barrels

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Quick Overview

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

Availability: In stock

$200.00

* Required Fields

$200.00

Details

  • 4150 CMV steel

  • 1-in-16″ twist rate

  • .578-28 threading

  • QPQ Nitride treated

  • .75″ (medium) profile

  • Available in 10.5" and 16" lengths

 

QC10 10mm barrels bring the power and reach of the 10mm Auto cartridge to QC10 firearms. Now, you can get true magnum power in a compact QC10 pistol or carbine, perfect for hunting or tactical applications.

NOTE: 10mm is a violent round, increasing overall wear on small parts, including but not limited to, hammer pins, bolt catches and ejectors. 

While other pistol caliber cartridges operate at relatively low pressures, the cartridge this barrel is designed for uses extreme pressures to generate increased performance. Always start with the heaviest buffer and spring combination and work down. For optimum performance, Quarter Circle 10 recommends use of the following:

● 9-12.5oz buffer (QC10 Adjustable Pistol Buffer is recommended)

● QC10 .40 S&W Bolt Carrier Assembly with mass installed

● Extra Power AR-15 carbine buffer spring for full power loads

QC10 offers most of these components for sale, and will be glad to help you source compatible components should we be out of stock. Quarter Circle 10, LLC shall not be liable for any special or consequential damages, including negligence, that result from the use of, or the inability to use, the materials on this site or the performance of the products, even if Quarter Circle 10, LLC has been advised of the possibility of such damages.

ALL WARRANTIES AND/OR CONDITIONS OF ANY KIND WHATSOEVER, EXPRESS, IMPLIED, AND STATUTORY, ARE DISCLAIMED. ALL EXPRESS AND IMPLIED WARRANTIES OF MERCHANTABILITY, SATISFACTORY QUALITY, AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. NO WARRANTY EXISTS THAT THIS PRODUCT WILL MEET YOUR REQUIREMENTS. NO ORAL OR WRITTEN INFORMATION PROVIDED SHALL CREATE A WARRANTY, OR IN ANY WAY INCREASE THE SCOPE OF ANY WARRANTY. SHOULD THE PRODUCT BE PROVEN DEFECTIVE, YOU ASSUME THE ENTIRE COST OF ALL NECESSARY SERVICING, REPAIR, OR CORRECTION. Applicable laws in your jurisdiction may not allow the limitation or exclusion of liability, incidental or consequential damages, or warranties so these limitations or exclusions may not apply to you.

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 10.5 INCH, 14.5 INCH, 16 INCH, 3.5 INCH, 5.5 INCH, 7.5 INCH
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
COLLAR CONFIGURATION No
GEN COLT No
GEN GSF No
GEN GLF No
Charging Handle No

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