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Strong Side Tactical

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Quarter Circle 10 Barrels (.357 Sig)

$175.00

Quarter Circle 10 Barrels (.357 Sig)

$175.00
SKU:
QC10357
Shipping:
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Quantity:
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Product Description

  • 4150 CMV steel
  • 1-in-10″ twist rate
  • 1/2-28 threading
  • QPQ Nitride treated
  • .750″ (medium) profile

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.

To SAFELY operate this caliber, Quarter Circle 10 recommends use of the following

  • 9-12.5oz buffers from heavybuffers.com 9Q-T are the preferred buffers of choice  
  • QC10 bolt carrier assembly With mass installed
  • Extra Power AR-15 carbine buffer spring For full power loads
  • Standard AR15 carbine spring For reduced power “range” ammo only

For more info, visit QC10

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