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CLT9MM Billet Upper Receiver Set

Quarter Circle 10, THE AR Pistol Caliber BRAND. Leader in top of the line, dedicated AR15 Pistol Caliber parts. CLT9MM Upper Lower Set

Availability: In stock
  • QC10 Stripped CLT9MM Lower Receiver with proprietary parts

  • Accepts mil-spec receiver extension (buffer tube)

  • In-House Billet Rear Charging Upper Receiver

  • Engineered for 9x19mm Colt SMG magazines

  • Milled billet 7075-T6 Aluminum

  • Type III Hard Coat Anodizing

  • 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
Size Large
Lower Receiver GSF
Assembly Stripped Lower Receiver
Charging Handle Without Charging Handle
Upper Receiver Stripped
Lower Receiver Stripped
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