Ranger (GSF) Side Charging .40 S&W Builiders Kit

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.

• Builder's Kit includes the "bones"- the core components for building your own Quarter Circle 10 Carbine or Pistol

• QC10 Stripped Ranger (GSF) Lower Receiver with proprietary parts

• QC10 Side Charging Upper Receiver

• .40 S&W barrel in your choice of 5.5", 7.5", 10.5", or 16" length

• .40 S&W Bolt Assembly

• QC10 Adjustable Buffer Kit

• 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.