Please be aware there are delays on shipping and builds due to COVID-19, please contact Info@quartercircle10.com with any questions.
Ranger (GSF) Side Charging .40 S&W Builiders Kit
In stock
Quarter Circle 10, THE AR Pistol Caliber BRAND. Leader in top of the line, dedicated AR15 Pistol Caliber parts. GSF .40 S&W Builders Kit
CALIFORNIA BUYERS: Please check with your transferring dealer before ordering. Many CA dealers are unwilling to process lower receiver transfers.
From $969.95
To $1,167.93
Shipping & Returns
Shipping: All orders are shipped within 72 hours Monday - Friday 8am - 5pm PST
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.
The QC10 Builders kit is for the customer that realizes the importance of high quality matching core components. The kit includes a QC10 lower and upper receiver with proprietary parts, a barrel of desired length with a patented bolt and an adjustable buffer assembly. This represents the essential bones of a great pistol/carbine build and the reassurance that the parts contained within the kit are made for, not modified, the chosen pistol caliber.
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Builder's Kit includes the "bones"- the core components for building your own Quarter Circle 10 Carbine or Pistol
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QC10 Stripped Ranger (GSF) Lower Receiver with proprietary parts
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QC10 Side Charging Upper Receiver
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.40 S&W barrel in your choice of 5.5", 7.5", 10.5", or 16" length
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.40 S&W Bolt Assembly
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QC10 Adjustable Buffer Kit
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Made For the AR Platform- Not Modified
Any orders containing lower receivers require a verified FFL dealer to make the transfer.
Lower receivers will not be shipped until QC10 has your dealer's license on file.
Please contact your desired dealer about sending us a copy of their license.
CALIFORNIA BUYERS: Please check with your transferring dealer before ordering. Many CA dealers are unwilling to process lower receiver transfers.
