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Quarter Circle 10 Blu Whistler (Sig Sauer P320) Stripped Lower Receiver

Lower Receiver



  • QC10 Blu Whistler (P320) Lower Receiver with Proprietary Parts (Ejector and Mag Catch)
  • Engineered for 9mm, SIG Magazines
  • Billet 7075-T6 Aluminum
  • Accepts Patented Universal 9MM Bolt
  • Type III Hard Coat Anodizing
  • Accepts Mil-spec Pistol/Carbine Buffer Tube Threaded Bolt Catch Pin
  • 12 oz stripped weight
More Information
Product Type Lower Receiver
Manufacturer Quarter Circle 10
Color Black
Caliber 9mm

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