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.40 S&W Barrels

.40 S&W Barrels

QC10 9MM Barrels

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

As low as $170.00
Availability: In stock
SKU
QC-BRL-9

  • Proprietary Feed Ramp, contoured specifically for 9MM ammunition, ensures feed reliability and increased ammunition compatibility.

  • Available in 3.5", 5.5", 7.5", 10.5" and 16" Lengths.*

  • 1/2-28 Threading

  • 4150 CMV Steel

  • 1-in-10″ twist rate

  • QPQ Nitride Treated

  • Quarter Circle parts are designed to work within mil-spec perimeters.  However, for optimum performance we recommend using QC10 parts for all your core elements, (Receivers, Bolt, Barrel and Adjustable Buffer System).

  • Made For - Not Modified.  Every QC10 product is engineered specifically for pistol caliber ammunition, not modified from an existing platform, increasing functionality, reliability and overall performance.

Note:

*Barrels are measured from the end of the muzzle to the end of the breech/feed ramp. Approximately1”  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.


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