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Quarter Circle 10 QC5 Receiver Set

Quarter Circle 10 QC5 Receiver Set
Only 5 left

Availability: In stock




Quarter Circle 10, THE AR Pistol Caliber BRAND. Leader in top of the line, dedicated AR15 Pistol Caliber parts. QC5 Upper Lower Receiver Set.


  • QC10 Stripped QC5 Lower Receiver with proprietary parts

  • Accepts mil-spec receiver extension (buffer tube)

  • QC5 Rear Charging Upper Receiver

  • No charging handle

  • Engineered for 9x19mm MP5 magazines

  • Both recievers are milled billet 7075-T6 Aluminum

  • Type III Hard Coat Anodizing

  • No Lower Parts Kit installed

  • Made For the AR Platform- Not Modified

  • Weight 1 lb 4 oz

FFL Required Before Shipping.

Please have your dealer email their license to or they can also fax it in. Please give us a few days to process the information.

Additional Info

Additional Info

Manufacturer Quarter Circle 10
Finish No
Barrel Length No
Caliber 9mm
Configuration No
Option No
Gas Length No
Height No
Rail Length No
Mount No
Profile No
Reticle No
Co Witness No
Size No



Feel free to ask us any question regarding this product.

At Rainier Arms you can find the best AR15 Upper Receiver. The Quarter Circle 10 QC5 Receiver Set can be purchased for $513.00. Go to to buy your Quarter Circle 10 QC5 Receiver Set now.