Shipping: All orders are shipped within 72 hours Monday -Thursday 6am - 4pm Arizona Time.
Any order containing a lower receiver will not be shipped until we receive a copy of your FFL. Once received regular shipping policies apply. Submit your FFL Here.
Returns: Quarter Circle 10 offers a 30 day return, refund and exchange policy. See Details.
• Builder's Kit includes the "bones"- the core components for building your own Quarter Circle 10 Carbine or Pistol
• QC10 Stripped QC5 Lower Receiver with proprietary parts
• QC10 Billet Upper Receiver
• 9x19mm barrel in 5.5", 7.5", 10.5", or 16" length
• G9 Bolt Assembly
• QC10 Adjustable Buffer Kit
• Made For the AR Platform- Not Modified