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Quarter Circle 10 Glock Small Frame/Billet Upper Receiver Set- Right Side

GSF Billet Upper Receiver Set

QC10 Rear Charging Receiver Set - Blemished

Glock Small Frame Receiver Set BLEMISHED

GSF Side Charging Receiver Set BLEMISHED

Quarter Circle 10, THE AR Pistol Caliber BRAND. Leader in top of the line, dedicated AR15 Pistol Caliber parts. Glock Small Frame Upper Lower Set Side Charging

Availability: Out of stock

Quarter Circle 10 Blemished Receivers may have one or more minor cosmetic defects including, but not limited to dents, scratches, dings, discolorations or any other aesthetic imperfection, none of which affect functionality or performance.  Quarter Circle 10 Blem Receivers maintain the full manufacturer’s guarantee on functionality, but do not include a warranty on the finish.

  • QC10 Stripped Glock Small Frame Lower Receiver with proprietary parts

  • Accepts mil-spec receiver extension (buffer tube)

  • QC10 Side Charging Upper Receiver (side chargers not compatible with QC10 Keymod Handguards)

  • Charging handle included

  • Engineered for 9x19mm or .40 S&W Glock magazines

  • Hard Black Anodized

  • 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.


Requires a Glock Style Bolt for use with Glock magazines (will NOT work with bolts designed for use with Colt SMG magazines)


More Information
Model / Caliber GSF 9MM
Caliber 9mm
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